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The Paradigmatic Body Embodied Simulation, Intersubjectivity, the Bodily Self, and Language Vittorio Gallese & Valentina Cuccio In this paper we propose a way in which cognitive neuroscience could provide new insights on three aspects of social cognition: intersubjectivity, the human self, and language. We emphasize the crucial role of the body, conceived as the con- stitutive source of pre-reflective consciousness of the self and of the other. We provide a critical view of contemporary social cognitive neuroscience, arguing that the brain level of description is a necessary but not sufficient condition for study- ing intersubjectivity, the human self, and language; which are only properly vis- ible if coupled with a full appreciation of their intertwined relationship with the body. We introduce mirror mechanisms and embodied simulation and discuss their relevance to a new account of intersubjectivity and the human self. In this context, we focus on a specifically human modality of intersubjectivity: language. Aspects of social cognition related to language are discussed in terms of embodiment, while emphasizing the progress and limitations of this approach. We argue that a key aspect of human language consists in its decoupling from its usual denotative role, hence manifesting its power of abstraction. We discuss these features of hu- man language as instantiations of the Greek notion of paradeigma, originally ex- plored by Aristotle to refer to a typical form of rhetorical reasoning and relate it to embodied simulation. Paradigmatic knowledge connects the particular with the particular, moving from the contingent particular situation to an exemplary case. Similarly, embodied simulation is the suspension of the “concrete” application of a process: reuse of motor knowledge in the absence of the movement it realizes is an example of “paradigmatic knowledge.” This new epistemological approach to intersubjectivity generates predictions about the intrinsic functional nature of our social cognitive operations, cutting across, and not subordinated to, a specific on- tology of mind. Keywords Cognitive neuroscience | Embodied simulation | Intersubjectivity | Language | Mirror neurons | Paradigm | Social cognition Authors Vittorio Gallese vittorio.gallese @ unipr.it Università degli Studi di Parma Parma, Italy Valentina Cuccio valentina.cuccio @ unipa.it Università degli Studi di Palermo Palermo, Italy Commentator Christian Pfeiffer christian.pfeiffer @ epfl.ch Ecole Polytechnique Fédérale Lausanne, Switzerland Editors Thomas Metzinger metzinger @ uni-mainz.de Johannes Gutenberg-Universität Mainz, Germany Jennifer M. Windt jennifer.windt @ monash.edu Monash University Melbourne, Australia 1 Introduction The last decades of the twentieth century were marked by great progress in cognitive neuros- cience, made possible by recently-developed brain imaging technologies such as functional magnetic resonance imaging (fMRI)—which al- lowed for the first time non-invasive study of the human brain. But what is cognitive neuroscience? We think it is fair to say that it is above all a meth- odological approach whose results are strongly influenced by which questions are being asked and how. Studying single neurons and/or the brain does not necessarily predetermine the questions to be asked that will help us under- stand how and how much our human nature de- pends upon our brains. Even less so the an- swers. Our purpose here is twofold. On the one hand, we aim to provide a brief overview of cur- rent cognitive neuroscience and its methods. We first present the limitations displayed by most Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language. In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 1 | 22

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Page 1: The Paradigmatic Body

The Paradigmatic BodyEmbodied Simulation, Intersubjectivity, the Bodily Self, and Language

Vittorio Gallese & Valentina Cuccio

In this paper we propose a way in which cognitive neuroscience could providenew insights on three aspects of social cognition: intersubjectivity, the human self,and language. We emphasize the crucial role of the body, conceived as the con-stitutive source of pre-reflective consciousness of the self and of the other. Weprovide a critical view of contemporary social cognitive neuroscience, arguing thatthe brain level of description is a necessary but not sufficient condition for study-ing intersubjectivity, the human self, and language; which are only properly vis-ible if coupled with a full appreciation of their intertwined relationship with thebody. We introduce mirror mechanisms and embodied simulation and discuss theirrelevance to a new account of intersubjectivity and the human self. In this context,we focus on a specifically human modality of intersubjectivity: language. Aspectsof social cognition related to language are discussed in terms of embodiment,while emphasizing the progress and limitations of this approach. We argue that akey aspect of human language consists in its decoupling from its usual denotativerole, hence manifesting its power of abstraction. We discuss these features of hu-man language as instantiations of the Greek notion of paradeigma, originally ex-plored by Aristotle to refer to a typical form of rhetorical reasoning and relate itto embodied simulation. Paradigmatic knowledge connects the particular with theparticular, moving from the contingent particular situation to an exemplary case.Similarly, embodied simulation is the suspension of the “concrete” application of aprocess: reuse of motor knowledge in the absence of the movement it realizes isan example of “paradigmatic knowledge.” This new epistemological approach tointersubjectivity generates predictions about the intrinsic functional nature of oursocial cognitive operations, cutting across, and not subordinated to, a specific on-tology of mind.

KeywordsCognitive neuroscience | Embodied simulation | Intersubjectivity | Language |Mirror neurons | Paradigm | Social cognition

Authors

Vittorio [email protected]   Università degli Studi di ParmaParma, Italy

Valentina [email protected]   Università degli Studi di PalermoPalermo, Italy

Commentator

Christian [email protected]   Ecole Polytechnique FédéraleLausanne, Switzerland

Editors

Thomas [email protected]   Johannes Gutenberg-UniversitätMainz, Germany

Jennifer M. [email protected]   Monash UniversityMelbourne, Australia

1 Introduction

The last decades of the twentieth century weremarked by great progress in cognitive neuros-cience, made possible by recently-developedbrain imaging technologies such as functionalmagnetic resonance imaging (fMRI)—which al-lowed for the first time non-invasive study ofthe human brain.

But what is cognitive neuroscience? Wethink it is fair to say that it is above all a meth-odological approach whose results are strongly

influenced by which questions are being askedand how. Studying single neurons and/or thebrain does not necessarily predetermine thequestions to be asked that will help us under-stand how and how much our human nature de-pends upon our brains. Even less so the an-swers. Our purpose here is twofold. On the onehand, we aim to provide a brief overview of cur-rent cognitive neuroscience and its methods. Wefirst present the limitations displayed by most

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 1 | 22

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current mainstream cognitive neuroscience, fol-lowed by a proposal for an alternative approach,both in terms of the employed methodology andof its main goals. In short, in contrast withwhat many normally take for granted1, we as-sume the brain level of description to be a ne-cessary but not sufficient condition for studyingintersubjectivity, language, and the human self,which are only properly visible if coupled with afull appreciation of their intertwined relation-ship with the body. This overview has been spe-cifically designed to provide a useful tool for re-searchers working in the humanities. Section 2is entirely devoted to this goal.

On the other hand, the authors of this es-say are a cognitive neuroscientist and a philo-sopher of language, and as such our second pur-pose is to propose how cognitive neurosciencecould provide new insights on specific aspects ofhuman cognition. In section 3 we introduce mir-ror mechanisms and embodied simulation and,in the following sections, we discuss their relev-ance for a new account of intersubjectivity, thehuman self, and language—which privileges thebody as the transcendental foundation of each.

We emphasize the crucial role of the body,conceived as the constitutive source of pre-re-flective consciousness of the self and of theother and as the ground upon which linguisticmeaning is also based. The body we talk aboutin this paper manifests itself in two different,complementary, and closely intertwined ways:2it is a Leib, a lived body entertaining experi-ences of self and others, and a Körper, the so-matic object, of which the brain is a con-1 “Still other accounts of grounded cognition focus on situated action,

social interaction, and the environment (e.g., Barsalou 2003, Bars-alou et al. 2007a, Glenberg 1997, W. Prinz 1997, Rizzolatti &Craighero 2004, Robbins & Aydede 2007, E. Smith & Semin 2004,Yeh & Barsalou 2006). From this perspective, the cognitive systemevolved to support action in specific situations, including social inter-action. These accounts stress interactions between perception, action,the body, the environment, and other agents, typically during goalachievement. It is important to note that the phrase ‘embodied cog-nition’ is often used when referring to this collection of literatures.Problematically, however, ‘embodied cognition’ produces the mis-taken assumption that all researchers in this community believe thatbodily states are necessary for cognition and that these researchersfocus exclusively on bodily states in their investigations. Clearly,however, cognition often proceeds independently of the body, andmany researchers address other forms of grounding.” (Barsalou 2008,p. 619)

2 We find it useful to employ here the distinction originally proposedby Edmund Husserl in Husserl (1973, p. 119).

stitutive part. We posit that this dual nature ofour experienced body can be fully understood—and its genesis revealed—by investigating itsmotor neurophysiological underpinnings at thesub-personal level. The naturalization of inter-subjectivity, the self, and language implies afirst attempt to isolate the constituent compon-ents of the concepts we use to refer to these as-pects of human social cognition by literally in-vestigating what they are made of at the levelof description of the brain–body system. Thisattempt in relation to the notions of intersub-jectivity, the self, and language is intended hereto form an identification of their constitutivemechanisms. We believe that this investigationbecomes really effective only when it is framedwithin both comparative and developmentalperspectives.3

The comparative perspective not only al-lows us to frame human social cognition withinan evolutionary picture, thus providing accessto its phylogenetic antecedents.4 It also greatlyreduces the risk of the empirical investigation ofthe human brain being subordinated to a spe-cific human ontology of mind. A further reasonfor privileging the comparative perspectiveresides in the fact that it also brings us themost finely grained approach to date for study-ing the brain, and the possibility of correlatingsingle neurons’ activity with behaviour and cog-nition—as when studying single neurons’ activ-ity in non-human primates, like macaque mon-keys.

The immanent transcendence5 of thebody’s corporeality can be revealed, we contend,by bringing the analysis back to the level of thebrain–body system; that is, to the level of theKörper. We show that this particular neurocog-3 One of the major contributions to our understanding of human social

cognition is provided by developmental psychology. In this paper, forsake of concision we don’t focus on developmental aspects, in spite ofthe crucial importance we attribute to them to thoroughly addressthe issues we want to address here.

4 It is interesting to note that this comparative perspective seems tosupport the hypothesis of an evolutionary continuity between humanand non-human primates in relation to the emergence of languagefrom our sensori-motor abilities. For a discussion of this topic, seeGlenberg & Gallese (2012).

5 The expression immanent transcendence is meant to signify herethe fact that the body, by means of a biological mechanism (im-manent), can transcend his usual function (for example, motion)to become expression (a model or paradeigma) of this bodilyknowledge.

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 2 | 22

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nitive approach is beginning to reveal the tightrelationship between a core notion of the bodilyself, its potentiality for action, and motor simu-lation at the level of the cortical motor system.Cognitive neuroscience can enable the analysisof several concepts and notions we normallyrefer to when describing ourselves and our socialcognitive lives. In the present paper we applythis method to the notions of intersubjectivity,the self, and language.

To fully account for the specific quality ofhuman social cognition one cannot undervaluethe linguistic dimension. For this reason, we in-troduce aspects of social cognition related tolanguage and discuss them in terms of embodi-ment, emphasizing the progress and limitationsof this approach. Traditionally, the linguisticand corporeal sensorimotor dimensions of socialcognition have been considered entirely unre-lated. We posit that embodied simulation, con-ceived of as a model for important aspects ofour relation to the world, might help in over-coming this apparently unsolvable dichotomy.We argue that a key aspect defining the uniquespecificity of human language consists in its de-coupling from its usual denotative role. Thismeans that language allows us to talk aboutgeneral concepts such as beauty or mankind,without denoting any particular instance ofthese concepts. In so doing, human languagemanifests its power for abstraction. We discussthese features of human language as instanti-ations of the Greek notion of paradeigma, ori-ginally explored by Aristotle, and relate it toembodied simulation. When a word or syntagm,like the Latin word Rosa, is decoupled from itsusual denotative role, it can function as a gen-eral rule of knowledge, e.g., as a paradigm forthe female nominative case of Latin nouns be-longing to the first declension. The notion ofparadeigma does not establish a connectionbetween a universal principle and its contingentaspects, as in deduction, it rather exemplifies aparticular case of induction: specifically thetransposition of inductive reasoning in in thefield of studies of persuasive communication,known as rethorics, where contingent particularcases lead to general rules describing them.Paradigmatic knowledge, however, differently

from standard cases of induction, connects theparticular with the particular, moving from thecontingent particular situation to an exemplarycase. We propose that embodied simulationcould instantiate such a notion of paradigmaticknowledge, hence enabling its naturalizationand helping us overcome the apparent gapbetween the linguistic and corporeal dimensions.

We conclude by emphasizing how the spe-cific use of cognitive neuroscience here proposedcan lead to a new take on social cognition. Thisnew take brings about a demonstration on em-pirical grounds of the constitutive role played infoundational aspects of social cognition by thehuman body, when conceived of in terms of itsmotor potentialities; hence its transcendentalquality.6 Of course this only covers a partial as-pect of social cognition. However, we think thisapproach has the merit of providing an epistem-ological model, which is also potentially usefulfor empirical investigation into the more cognit-ively sophisticated aspects of human social cog-nition.

2 The cognitive neuroscience of what?

It is a fact and an undisputable truth that therecannot be any mental life without the brain.More controversial is whether the level of de-scription offered by the brain is also sufficientfor providing a thorough and biologically-plaus-ible account of social cognition. We think itisn’t. We would like to ground this assertion ontwo arguments: the first deals with the oftenoverlooked intrinsic limitations of the approachadopting the brain level of description, particu-larly when the brain is considered in isolationand its intimate relation with the body is neg-lected; the second deals with social cognitiveneuroscience’s current prevalent explanatory ob-jectives and contents.

The contemporary emphasis divulgated bythe popular media, namely the supposedly re-volutionary heuristic value of cognitive neuros-cience, mostly rests upon the results of brainimaging techniques, and in particular on fMRI.

6 The “transcendental quality” attributed to the body is intended tomean that the body is considered as the a priori, non-further redu-cible condition of the possibility of experience.

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 3 | 22

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fMRI is often presented as the ultimate methodof investigation of the human mind. It shouldbe pointed out, though, that fMRI studies donot constitute the whole story in cognitive neur-oscience. Cognitive neuroscience can indeedcarry out its investigation at a more drasticsub-personal level, such as at the level of singleneurons (see below), both in macaque monkeysand, although much more rarely, even in hu-mans. These alternative approaches notwith-standing, the main thrust of cognitive neuros-cience in studying human brain function is, aswe speak, mostly confined to fMRI.7

Unfortunately fMRI only indirectly “sees”the workings of the brain, by measuring neur-ons’ oxygen consumption. Such a measure isalso indirect, as it depends on the local differ-ence between oxygenated and deoxygenatedhemoglobin—the iron-rich molecule housed byred blood cells, which carriess oxygen to allbodily organs and tissues. Oxygenated anddeoxygenated hemoglobin have different para-magnetic behaviours in relation to the strongmagnetic field that is created by a big coil, in-side which the head is placed. The measure ofthis functional parameter allows scientists to es-timate local neural activity in terms of differentMRI (magnetic resonance imaging) signals. Theindirect quality of this kind of estimation ofbrain activity, which is based on local hemody-namic brain responses, inevitably introducesdistortions and noise. Indeed, when studyingany sensorimotor, perceptual, or cognitive func-tion, in order to maximize the so-called “signal-to-noise ratio”, several repetitions of the sametask in many individuals are required.

This means that fMRI allows us to indir-ectly assess the average brain-activation levelinduced by any given task across a populationof no less than twelve to fifteen different indi-viduals. Within each studied individual brainthe spatial resolution of fMRI is within the or-der of few millimetres. This implies that we areable to measure at best the potentially coherentactivation pattern of several hundred thousandneighbouring neurons, possibly also differing

7 For an intriguing discussion of the historical antecedents of brain imagingtechniques and a passionate criticism of the limitations of current use ofbrain imaging by cognitive neuroscience, see Legrenzi & Umiltà (2011).

among one another in terms of their excitatoryor inhibitory role.

Temporal resolution is even worse, since itis in the order of a few seconds. One shouldconsider that action potentials, or “spikes” asneurophysiologists like to call them—the electriccode employed by neurons to “communicate”with each other, and ultimately the true essenceof neurons’ activity—last less than one milli-second. fMRI cannot match such temporal res-olution because it measures the delayed (ofabout two seconds) and prolonged (for aboutfive seconds) local hemodynamic responseproviding neurons with all the oxygen theirelectric activity requires.

As we have previously argued, fMRI is notthe only available experimental methodology forstudying the brain. Many different techniquesare available nowadays (e.g., PET (positronemission tomography), NIRS (near-infraredspectroscopy), Tdcs (transcranial direct-currentstimulation) or TMS (transcranial magneticstimulation)). Particularly, since the revolution-ary introduction in 1927 by the Nobel Prizelaureate Edgar Adrian (Adrian & Matthews1927a, 1927b) of the extracellular microelec-trode, which allows the recording of action po-tentials discharged by single neurons, neuro-physiology has made enormous progress in re-vealing the brain’s physiological mechanisms.Such neurophysiological investigation startedwith the study of the neural circuits thatpreside over elementary sensorimotor beha-viours, like spinal reflexes, finally moving all theway up to the investigation of action and per-ception, reward and emotions, spatial mappingand navigation, working memory, decision-mak-ing, etc., in behaving animals like macaquemonkeys. Unfortunately, such a finely grainedlevel of description—both in terms of spatialand temporal resolution, is most of the timeprecluded in humans.

We posit that the scientific study of inter-subjectivity and the human self requires a com-parative approach, and that this is the only onecapable of connecting the distinctive traits ofhuman nature to their likely phylogenetic pre-cursors. In so doing, and by making use of thesingle-neuron recording approach, neuro-

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 4 | 22

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physiological mechanisms and the cortico-cor-tical networks expressing them can be relatedwith several aspects of primates’ social cognitivebehaviour and thus be thoroughly investigated.Conceptual notions like intersubjectivity andthe self should be analyzed in order to betterunderstand their nature, structure, and proper-ties. Such an analysis, which provides us a de-flationary notion of the same concepts, intendedas the identification of their minimal componentand the detailed study of their origin, will bemost successful if driven by a meticulous invest-igation of the underpinning neurophysiologicalmechanisms—which most of the time are avail-able only from the study of non human prim-ates’ brains, hence the necessity of a comparat-ive perspective.

Human brain imaging, because of the in-trinsic limitations we briefly outlined above, canonly provide correlations between particularbrain patterns of activation and particular be-haviours or mental states. This implies that thecorrelation between a particular brain state anda particular phenomenal mental state of a givenindividual human being8 is most informativewhen the specificity and uniqueness of such acorrelation can be firmly established. Unfortu-nately, this is not always the case with fMRIstudies. Very telling is the supposed mindread-ing specificity of some cortical circuits compris-ing the ventral portion of the mesial frontal cor-tex and the TPJ (temporo-parietal junction;e.g., Leslie 2005; Saxe 2006). Such specificity isnot only so far unproven, but is actually con-futed by accumulated evidence (for a lengthierdiscussion of this point and for arguments andexperimental evidence against such specificitysee Ammaniti & Gallese 2014; Gallese 2014).

In spite of all these limitations, thisneuroimaging approach turned out to be veryproductive, enabling us to study for the firsttime in parallel brains, behaviour and cognition,shedding new light not only on human brainstructure, but also on its wiring pattern of con-

8 For sake of concision and focus we do not discuss here the implicatedtopic of the apparently absent synchronicity between brain statesand phenomenal consciousness (remember that fMRI does notprovide a good temporal resolution to firmly match brain states andphenomenal consciousness). We simply want to stress the parallel ex-istence of particular experiences and particular brain states.

nectivity and many of its functions. If we putthe newly-acquired knowledge on brain functionprovided by cognitive neuroscience under scru-tiny, we can make very interesting discoveries.For example, we discovered that in many areasof investigation brain imaging replicates andvalidates at a different scale what had been pre-viously discovered at the single neuron level inanimals like macaques.9

The prominent discoveries, among others,of David Hubel, Torsten Wiesel, and Semir Zekion the functional organization of primates’ cor-tical visual system, like the orientation-, shape-,motion- and colour-selectivity of visual neurons,were made by correlating the discharge activityof single neurons in macaques’ visual corticeswith different parameters of the visual stimulimacaques were looking at (for a comprehensivereview of this literature, see Zeki 1993). Theseresults later promoted a similar investigationcarried out on the human brain by means offMRI. Remarkably enough, a similar functionalarchitecture was detected in the human visualbrain, in spite of the species difference and,most importantly, the different scale at whichthese investigations were carried out: a few hun-dreds recorded neurons at best, in the case ofmacaques’ brains, versus hundreds of thousandsif not millions of activated neurons detected bya local increase in blood flow in the case of thehuman brain.

Face-selective neurons, first described inthe early nineteen-seventies by Charles Grossand colleagues in macaques’ temporal cortex(Gross et al. 1972), and immediately ridiculedas “grand-mother cells”, offer another verytelling example.10 Face-selective brain circuitsappear to be strikingly similar in macaques andhumans (see Ku et al. 2011). Furthermore, evenin human brains single neurons were detectedthat selectively respond to a single face—such

9 The comparative approach is primarily intended here as a compar-ison between humans and other animals. As a consequence, it alsoimplies a comparison between different experimental methods.

10 The notion of the grandmother cell was originally introduced by theneuroscientist Jerry Lettvin to refer to neurons with high integrativepower, which are able to map concepts or objects. The term hassince then mostly been employed with a negative connotation bysupporters of a more distributed population-coding of objects, per-cepts, and memories. For an historical account of the notion of thegrandmother cell, see Gross (2002).

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 5 | 22

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as the so-called Jennifer Aniston’s selectiveneurons (see Quiroga et al. 2005). These neur-ons respond to multiple representations of aparticular individual, regardless of the specificvisual features of the picture used. Indeed, theseneurons respond similarly to different picturesof the same person and even to his or her writ-ten or spoken name. The authors of this studyclaimed that their evidence supported the no-tion that single neurons within the human me-dial temporal lobe cortex instantiate the ab-stract representation of the identity of a singleindividual.

Such examples seem to suggest that inspite of the big scale magnification impliedwhen confronting single-neuron data frommacaques and fMRI results from humans, someimportant functional features are neverthelessmanifest across these different levels of descrip-tion (i.e., single neurons vs. brain areas). Onecan study canonical or mirror neurons (see be-low) by recording the activity of a few hundredspiking neurons from a behaving macaque mon-key during object and action observation, re-spectively. The same results can be replicatedby detecting, by means of fMRI, and during ob-ject and action observation, the simultaneousactivation of hundreds of thousands of humanneurons within analogous cortical areas of thehuman brain.

This remarkable but often neglected factcannot be the result of a pure coincidence. Thisevidence should thus invite us to resist and argueagainst those who downplay the heuristic powerof single-neuron recording. Their thesis is that be-cause of a supposedly incommensurable gapbetween single neurons and the incredible com-plexity of the human brain, where informationwould be exclusively mapped at the level of largepopulations of poorly selective neurons, it doesn’tmake any sense to study the brain by recordingsingle neurons. The fact however is that in spiteof the almost astronomic figures characterizingthe human brain (about 100 billion neurons, eachof which connects with thousands of other neur-ons), its complexity does not parallel such astro-nomic figures, or at least not in such a way as todeny any heuristic value to the single-neuron re-cording approach. Let’s see why.

As argued by Chittka & Niven (2009),brain size may have less of a relationship withbehavioural repertoire and cognitive capacitythan generally assumed. According to the sameauthors, larger brains are, in part at least, aconsequence of larger neurons that are neces-sary in large animals due to basic biophysicalconstraints. Larger brains also contain greaterreplication of neuronal circuits, adding precisionto sensory processes, detail to perception, moreparallel processing, enlarged storage capacity,and greater plasticity. These advantages, main-tain Chittka & Niven (2009), are unlikely toproduce the qualitative shifts in behaviour thatare often assumed to accompany increased brainsize, or at least not in a one-to-one manner.

The evidence so far briefly reviewed andthat we will present in the next sections suggestthat some functional properties of the brain ex-hibit a sort of “fractal quality”, such that theycan be appreciated at different scales and levelsof investigation. For these reasons fMRI cannotbe the sole neurocognitive approach to humansocial cognition,11 but it must be complementedby other approaches compensating for some ofits deficiencies: like TMS, EEG (electroenceph-alography), and the comparative functionalstudy of non-human primates by means of brainimaging and single-neuron recordings.

After having clarified what we take to bethe often-neglected limitations of cognitiveneuroscience that may hinder its potential heur-istic power (namely, that fMRI offers only anindirect estimation of brain activity, inferred bymeasuring neurons’ oxygen consumption, andthis inevitably leads to distortions and noise,and that it does not provide good temporal res-olution because it measures the delayed andprolonged hemodynamic responses due to neur-ons oxygenation), let us now move to thesecond argument against the sufficiency satis-faction condition of the current approach of cog-nitive neuroscience to the study of human socialcognition. This argument concerns the explanat-ory goals and contents of contemporary main-11 Maybe no one explicitly claims this. However, it is very common that

researchers neglect many (or all) of the complementary techniquesthat have been here suggested to be necessary and draw inferencesabout human social cognition and its neural implementation. As anexample, see papers by Ian Apperly.

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 6 | 22

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stream cognitive neuroscience. Vast quarterswithin cognitive neuroscience are still todaystrongly influenced by classical cognitivism, onone side, and by evolutionary psychology on theother. Classical cognitive science is the bearer ofa solipsistic vision of the mind, according towhich focusing on the mind of the single indi-vidual is all that is required in order to definewhat a mind is and how it works. The image ofthe mind that classical cognitive science gives usis that of a functional system whose processesare described in terms of manipulations of in-formational symbols in accordance with a seriesof formal syntactic rules.

According to evolutionary psychology, bycontrast, the human mind is a set of cognitivemodules, each of which has been selected duringevolution for its adaptive value. Major figures ofthis current, such as John Tooby and Leda Cos-mides, have gone as far as maintaining that thebrain is a physical system that works like acomputer (Cosmides & Tooby 1997). Accordingto Steven Pinker (1994, 1997), our cognitive lifecan be referred to in terms of the function of aseries of modules like the linguistic module, themodule for the Theory of the Mind, etc.

Based on this theoretical framework, inthe last twenty years cognitive neurosciencewhen investigating human social cognition hasmainly tried to locate—as mentioned above—the cognitive modules in the human brain. Suchan approach suffers from ontological reduction-ism, because it reifies human subjectivity andintersubjectivity within a mass of neurons vari-ously distributed in the brain. This ontologicalreductionism chooses as a level of descriptionthe activation of segregated cerebral areas or, atbest, the activation of circuits that connect dif-ferent areas and regions of the brain. However,if brain imaging is not backed up by a detailedphenomenological analysis of the perceptual,motor, and cognitive processes that it aims tostudy and—even more importantly—if the res-ults are not interpreted, as previously argued,on the basis of the study of the activity ofsingle neurons in animal models, and the studyof clinical patients, then cognitive neuroscience,when exclusively consisting in brain imaging,loses much of its heuristic power. Without the

demonstration of the specific correlationbetween brain states and mind states and theexplanation of such correlation, much of thecontemporary brain imaging approach to socialcognition looks like a sort of high-tech versionof phrenology.

For this reason a “phenomenologization”of cognitive neuroscience is desirable, as Gallesehas proposed before (see Gallese 2007, 2009,2011, 2014). In Gallese’s view, to “phenomeno-logize” cognitive neuroscience means to startneuroscientific research from the analysis ofsubjective experience and of the role that theliving body plays in the constitution of our ex-perience of material objects and of other livingindividuals. In this way, the empirical study ofthe genetic aspects of subjectivity and intersub-jectivity can be pursued on new bases—if com-pared to those thus far adopted by classical cog-nitivism. Francisco Varela a few years ago real-ized a similar possibility and set out on a path-way of analysis in this direction (Varela &Shear 1999).

Times change, however. We are insistingon nothing less than a change of paradigm. Anew neuroscientific approach to the study of thehuman mind is gaining momentum. It capital-izes upon the study of the bodily dimension ofknowledge: the so-called “embodied cognition”approach. In the next section we introduce mir-ror neurons and embodied simulation. Our pur-pose is to show that, starting from a sub-per-sonal neuroscientific description of the prag-matic relationship with the world, a pathwaycan be traced to define the forms of subjectivityand intersubjectivity that distinguish humannature, rooted in the bodily interacting natureof human beings.

3 Mirroring mechanisms and embodied simulation

The discovery in the early 1990s of mirror neur-ons in the brain of macaques (Gallese et al.1996; Rizzolatti et al. 1996), and the subsequentdiscovery of mirror mechanisms in the humanbrain (see Gallese et al. 2004; Rizzolatti & Sini-gaglia 2010) suggest that there exists a directmodality of access to the meaning of other

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 7 | 22

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people’s behaviours—a modality that can be setaside from the explicit attribution of proposi-tional attitudes. Mirror neurons are motor neur-ons, originally discovered in macaques’ ventralpremotor cortex area F5, later on also found inthe reciprocally-connected posterior parietalareas AIP and PFG. Mirror neurons not onlyrespond to the execution of movements and ac-tions, but also respond to the perception of ac-tions executed by others. Mirror neurons mapthe action of others on the observers’ motorrepresentation of the same action. Further re-search also demonstrated in the human brainthe existence of a mechanism directly mappingaction perception and execution, defined as theMirror Mechanism (MM; for a recent review,see Ammaniti & Gallese 2014; Gallese 2014). Inaddition, in humans the motor brain is mul-timodal. Thus, it doesn’t matter whether we seeor hear the noise made by someone crackingpeanuts, or locking a door. Different—visualand auditory—sensory accounts of the samemotor behaviour activate the very motor neur-ons that normally enable it. The brain circuitsshowing evidence of the MM, connecting frontaland posterior parietal multimodal motor neur-ons, most likely analogous to macaques’ mirrorneurons, map a given motor content like “reachout” or “grasp” not only during their perform-ance, but also when perceiving the same motorbehaviour performed by someone else, when im-itating it, or when imagining performing itwhile remaining perfectly still. The relationalcharacter of behaviour as mapped by the cor-tical motor system enables the appreciation ofpurpose without relying on explicit proposi-tional inference.

Altogether, these findings led to the for-mulation of the “Motor Cognition” hypothesisas a crucial element in the emergence of socialcognition (Gallese 2009). According to this hy-pothesis, cognitive abilities like the hierarchicalrepresentation of action with respect to a distalgoal, the detection of motor goals in others’ be-haviour, and action anticipation are possible be-cause of the peculiar functional architecture ofthe motor system, organized in terms of goal-directed motor acts. Traditionally, the relationbetween actions and their outcomes is assumed

to be largely independent of the motor pro-cesses and representations underpinning actionexecution. Such processes and representationsallegedly concern elementary motor featuressuch as joint displacements or muscle contrac-tions only. However, solid empirical evidencechallenged this view. Motor processes may in-volve motor representations of action goals (e.g.,to grasp, to place, etc.), and not only kinematicor dynamic components of actions. This sug-gests that beliefs, desires, and intentions areneither primitive nor the only bearers of inten-tionality in action. We do not necessarily needto metarepresent in propositional format the in-tentions of others to understand them. Motoroutcomes and motor intentions are part of the“vocabulary” that is spoken by the motor sys-tem. On occasion we do not explicitly ascribeintentions to others; we simply detect them. In-deed, we posit that motor representation isenough to ground the directedness of an actionto its outcome (Gallese 2000, 2003b; Butterfill& Sinigaglia 2014; compare also Gallagher’s2005 notion of direct perception).

One of the consequences of the discoveryof mirror neurons was the possibility of derivingsubjectivity from intersubjectivity at the sub-personal level of description. The sense of self isprecociously developed, beginning from a selfthat is first of all physical and bodily, andwhich is constituted precisely by the possibilityof interacting and acting with the other. Em-bodied simulation can provide the neurobiolo-gical basis for early forms of intersubjectivity,from which the sense of the self is built. Thediscovery of mirror neurons and the simulationmechanism would therefore seem to furtherstress that being a self also implies being withthe other. The model of intersubjectivity sug-gested by mirror mechanisms and embodiedsimulation correlatively sheds new light on thesubjective dimension of existence. Let us seefirst what type of intersubjectivity mirror neur-ons seem to suggest.

The discovery of mirror neurons gives us anew empirically-grounded notion of intersub-jectivity connoted first and foremost as intercor-poreality—the mutual resonance of intentionallymeaningful sensorimotor behaviours. The ability

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 8 | 22

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to understand others as intentional agents doesnot exclusively depend on propositional compet-ence, but it is highly dependent on the rela-tional nature of action. According to this hypo-thesis, it is possible to directly understand themeaning of other people’s basic actions thanksto a motor equivalence between what others doand what the observer can do. Intercorporealitythus becomes the main source of knowledgethat we have of others. The motor simulationinstantiated by neurons endowed with “mirrorproperties” is probably the neural correlate ofthis human faculty, describable in functionalterms such as “embodied simulation” (Gallese2003a, 2005, 2011; Gallese & Sinigaglia 2011b).

Action constitutes only one dimension ofthe rich baggage of experiences involved in in-terpersonal relations. Every interpersonal rela-tion implies the sharing of a multiplicity ofstates like, for instance, the experience of emo-tions and sensations. Today we know that thevery nervous structures involved in the subject-ive experience of emotions and sensations arealso active when such emotions and sensationsare recognized in others. A multiplicity of “mir-roring” mechanisms is present in our brain. Itwas proposed that these mechanisms, thanks tothe “intentional attunement” they generate(Gallese 2006), allow us to recognize others asour fellows, likely making intersubjective com-munication and mutual implicit understandingpossible. The functional architecture of embod-ied simulation seems to constitute a basic char-acteristic of our brain, making possible our richand diversified intersubjective experiences, andlying at the basis of our capacity to empathizewith others.

4 Body and self

After having delineated a deflationary neurobio-logically-grounded account of basic aspects ofintersubjectivity, namely an account focused onthe minimal core mechanisms of intersubjectiv-ity, let us now address the relationship betweenbody and self. A minimal manifestation of thesense of self can already be identified in ourfirst bodily experiences, and this highlights thepotential contribution of bodily experiences to

its constitution. Some aspects of the minimalself proposed by contemporary philosophicaland empirical research are the notion of first-person perspective, the “mineness” of the phe-nomenal field (Meinigkeit), embodiment ofpoint of view, and issues of agency and bodyownership (Cermolacce et al. 2007).12 On thephilosophical side, phenomenology emphasizesthe necessity of embodiment of the self for allthe above-cited aspects of self experience. As ar-gued by Cermolacce et al. (2007, p. 704, foot-note 3), in phenomenology

the field of experience is not yet consideredto be subjective because this predicatealready implies that there is a subject. Forphenomenology, the very idea of the subjectarticulates itself in experience. In this sense,the manifestation and appearing of experi-ence are the conditions for the experience ofthe subject in question.

This philosophical standpoint has important im-plications for the empirical investigation of theneural correlates of the self.13 Rather than em-pirically addressing the self by starting with asearch for the neural correlates of a pre-defined,explicit, and reflective self-consciousness, we be-lieve it to be more productive to investigatewhat what set of constitutive conditions allowsan implicit and pre-reflective sense of self toemerge, and how this is effected. The interestingquestions to be first answered are: “What en-ables the basic experience of ourselves as bodilyselves? What enables us to implicitly distin-guish ourselves, as bodily selves, from other hu-man bodily selves?” In the following we reviewand discuss recent empirical evidence providingpreliminary answers to these questions.

12 Again, for sake of concision, we do not deal here with the relation-ship between the notion of a core, minimal self as a bodily self andagency and body ownership. On this topic, see Gallese & Sinigaglia(2010, 2011a). Moreover, it is worth noting that the arguments pro-posed in this section in relation to the notion of a minimal bodilyself could be applied to other non-human animals. The possibilitythat high-level self-awareness can emerge from a primitive and non-conceptual form of self-awareness, and that it is possible that weshare this basic level of the sense of self with other non-human anim-als, has already been discussed. For a discussion of this and other re-lated topics see Bermúdez (2003).

13 See Vogeley et al. (2003) and Vogeley et al. (2004) for an investiga-tion of the neural correlates of the first-person perspective.

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 9 | 22

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The relationship between the minimalsense of self and the cortical motor system wasrecently revealed. The motor experience of one’sown body, even at a covert level, allows an im-plicit and pre-reflective bodily self-knowledge toemerge, leading to a self/other distinction. In-deed it was recently shown that in a task inwhich differently rotated static pictures of rightand left human hands were presented, parti-cipants who had to determine whether each ob-served hand was the right or the left one pro-duced faster responses when observing the pic-tures of their dominant hand with respect toothers’ hands (Ferri et al. 2011). However, whenparticipants were asked to explicitly discrimin-ate between their hands and the hands of oth-ers, the self-advantage disappeared. Implicit andexplicit recognition of the bodily self dissoci-ated: only implicit recognition of the bodily self,mapped in motor terms, facilitated implicitbodily self-processing.

A subsequent fMRI study by Ferri et al.(2012), using a similar hand mental rotationtask, demonstrated that a bilateral cortical net-work formed by the supplementary and pre-sup-plementary motor areas, the anterior insula,and the occipital cortex was activated duringprocessing of participants’ own hands. Further-more, the contralateral ventral premotor cortexwas uniquely and specifically activated duringmental rotation of the participants’ own domin-ant hands. The ventral premotor cortex mightrepresent one of the essential anatomo-func-tional bases for the motor aspect of bodily self-hood, also in light of its role in integrating self-related multisensory information. This hypo-thesis is corroborated by clinical and functionalevidence showing its systematic involvementwith body awareness (Ehrsson et al. 2004; Bertiet al. 2005; Arzy et al. 2006). This evidencedemonstrates a tight relationship between thebodily self-related multimodal integration car-ried out by the cortical motor areas, specifyingthe motor potentialities of one’s body and guid-ing its motor behaviour, and the implicit aware-ness one entertains of one’s body as one’s ownbody and of one’s behaviour as one’s own beha-viour. Because the ventral premotor cortex isanatomically connected to visual and somato-

sensory areas in the posterior parietal cortexand to frontal motor areas we hypothesize thatpremotor cortex activity, by underpinning thedetection of congruent multisensory signals fromone’s own body, could be at the origin of theexperience of owning one’s own body parts.

This minimal notion of the self, namelythe bodily self as power-for-action (see Gallese& Sinigaglia 2010, 2011a), tacitly presupposesownership of an action-capable agentive entity;hence it primarily rests upon the functionalityof the motor system. As we just saw, empiricalevidence supports the neural realization of thisimplicit aspect of selfhood in the brain’s motorcortex. Since the minimal bodily self rests neur-ally on the motor system, it logically followsthat characteristics of the latter are defining forthe former. This implies that one could attrib-ute to the minimal bodily self known features ofthe motor system, including its capacities andlimitations. The motor aspects of the bodily selfprovide the means to integrate self-related mul-timodal sensory information about the bodyand the world with which it interacts. This isalso important from a theoretical point of view,because it opens the possibility of linking theopenness of the self to the world to the motorpotentialities its bodily nature entails.

One could then posit that the minimalbodily self when conceived in terms of its motorpotentialities has a dual function. On the onehand, it constitutes important aspects of thebasic sense of self. On the other, it shapes ourperception and pre-reflective conception of oth-ers as other selves incarnated in a motorly-cap-able physical body with capacities and experi-ences similar to ours. Through mirror mechan-isms and embodied simulation, others appear tous as second selves, or second persons. We be-lieve that this perspective provides a more vividexperience of intersubjectivity, relative to thedetached, propositional deliberation on the ex-periences of others available in standard mindreading of others.

5 Body and language: Reflexiveness

According to the perspective so far delineated,body, actions, and feelings play a direct role in

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 10 | 22

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our knowledge of others. The question remainsopen as to whether our propositional represent-ations are totally separate from this bodily di-mension. Our hypothesis is that they are not.But it remains a fact that linguistic and bodilycognition afford us diversified modalities of epi-stemic access to the world, even though oftensuch modalities contaminate one another andare inevitably interwoven.

The mind, from the perspective delineatedhere, is therefore an embodied mind, though itwould be more correct to speak of a corporealmind. The concept of embodiment can induceone to think that a mind pre-existing the bodycan subsequently live in it, and use it. Thetruth is that mind and body are two levels ofdescription of the same reality, which manifestsdifferent properties according to the chosenlevel of description and the language employedto describe it. A thought is neither a muscle nora neuron. But its contents, the contents of ourmental representations, are inconceivablewithout our corporeity. Likewise it is difficult toimagine how the representational format of apropositional type can have developed withoutour corporeality. Language somehow allows us,as we will see, to transcend our corporeity; nev-ertheless, we posit that the bond with the bodyis always present.

A few years ago, Gallese (2000) proposedthat we look at the evolution of human lan-guage as an exaptation14 of functional sensor-imotor processes, which put them into the ser-vice of human linguistic competence. The hypo-thesis of exaptation was then developed in sub-sequent papers and later elaborated in terms of“neural exploitation” (Gallese & Lakoff 2005;Gallese 2008), or “neural reuse” (Gallese 2014).“Neural exploitation” consists in the reuse ofneural resources, originally evolved to guide ourinteractions with the world, to serve the morerecently evolved linguistic competence. This no-tion of reuse implies a functional uncoupling ofthe sensorimotor system from muscular output,to guide the generative-syntactic aspects of lan-guage by functionally connecting it to the pre-

14 Exaptation refers to the shift in the course of evolution of a giventrait or mechanism, which is later on reused to serve new purposesand functions (see Gould & Lewontin 1979).

frontal and, more generally, non-sensorimotorcircuits. According to this view, intentionality,the aboutness of our representations, is—in thefirst place—an exapted property of the actionmodels instantiated by the cortical motor sys-tem (Gallese 2000, p. 34). The sensorimotor sys-tem, when uncoupled from muscular output,makes available to us a model, or paradigm, ofour motor knowledge. As such, not only ithouses causative properties but also contentproperties. And this relation to a content, oraboutness, is a primitive expression of intention-ality, then exploited by other forms of repres-entations. This perspective on reuse is acquiringmore and more supporters (see Dehaene 2005;Anderson 2010 ).15

Compelling evidence shows that humans,when processing language, activate the motorsystem both at the phono-articulatory and atthe semantic level. When listening to spokenwords or looking at someone speaking to us, ourmotor system simulates the phono-articulatorygestures employed to produce those very samewords. Furthermore, processing action-relatedlinguistic expressions activates regions of themotor system congruent in somatotopic fashionwith the processed semantic content. Reading orlistening to a sentence describing a hand actionactivates the motor representation of the sameaction (for a review, see Gallese 2008; Glenberg& Gallese 2012). Interestingly, somatotopic mo-tor activation has also been observed during thecomprehension of abstract and figurative use oflanguage such as metaphors and idioms (e.g.,Guan et al. 2013; Boulenger 2012; see alsoGallese & Lakoff 2005 on the bodily foundationof concepts). However, it is important to notethat embodied simulation is not always involvedin language comprehension, and that there is nocontradiction in saying this. There are cases inwhich language, at least at the content level, isnot tied to any form of bodily knowledge. Insuch cases (e.g., when we talk about the notionssuch as moral judgement or intelligence) no em-bodied simulation is likely to be at play.

Nevertheless, the problems that languageraises for the embodied perspective on human15 For a discussion of different views on the notion of reuse, see Gallese

(2014).

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 11 | 22

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social cognition are still enormous. As clearlyunderlined, among others, by the Italian philo-sopher Paolo Virno (2003, 2011), the commonlinguistic space shared by a community ofspeakers proves to be incommensurably differ-ent from the pre-linguistic one. The linguisticdimension is based on a distinction between lin-guistic utterances and facts about the world, bethey referable to physical or psychologicalevents. We can say that “today the sun is shin-ing” and be understood, even if outside the win-dow snow is falling. Or we can maintain that“all Italians want to pay taxes”, again being un-derstood and simultaneously contradicted bythe factual truth of the enormous tax evasion inour country.

According to Virno, the gap betweenmeaning and denotation (what he calls theneutrality of meaning, namely the fact that themeaning of a word such as, for example, “man”,can be understood apart from any reference toan instance of man) is referable to linguistic re-flexiveness, i.e., to the fact that language refersto itself and that with words we can talk aboutother words. It seems to us that the reflexive-ness of language is a product of the symbolicnature of linguistic representations. The sym-bolic nature of such representations is what al-lows language to break away from the “here andnow”; it is what allows the neutrality of mean-ing.

In order for a sign to be symbolic it neces-sarily has to be reflexive. What makes a sign asymbol is its being part of a system in whicheach term is correlatively defined in relation tothe other terms within the system and in rela-tion to the renegotiation of this relationshipconstantly taking place within the system itself.It is the use of a symbol within a given contextthat each time redefines relationships inside thelanguage system.

Thus, symbolic relationships are by defini-tion characterized by reflexiveness. Symbols aredefined through other symbols. This level of re-flexiveness is pre-theoretical; it emerges in thelinguistic activity of each speaker and leads to aform of linguistic awareness of a practical char-acter. This practical linguistic awareness hasbeen called the epilinguistic quality and thus it

has been distinguished from the theoreticalquality that is expressed in the metalanguage oflinguistics (Culioli 1968; Lo Piparo 2003). Theconcept of epilinguistic quality refers to the nat-ural tendency of speakers to reflect on their ownlanguage—a tendency made possible by the dis-tinctive quality of language being able to speakof itself.

The uniqueness of human language is alsomaintained by classical cognitivism and by cog-nitive linguistics, but for very different reasons.The otherness of human language in comparisonwith other systems of communication known inthe animal world derives from its linguistic re-cursive quality. In an often-quoted article writ-ten some years ago (Hauser et al. 2002) definedthe faculty of language in a narrow sense (FLN)as being expressed by recursivity. Nevertheless,this perspective, in addition to suffering fromthe usual cognitivist solipsism, is exposed tocomparative verification in the animal world. Ifthe FLN marks human linguistic uniqueness interms of syntactic recursivity, the latter must beentirely absent in the extra-human animal king-dom.

Actually, the facts tell us exactly the op-posite. Recent studies (Gentner et al. 2006; Abe& Watanabe 2011; see also Margoliash & Nus-baum 2009; Bloomfield et al. 2011) have shownthat singing species of birds like starlings orfinches demonstrate, both in the production andin the reception of conspecifics’ vocalizations,the ability to produce and to extract recursivesyntactic characteristics. The study by Abe andWatanabe also shows that the development ofthis competence is dependent on social encoun-ters with the vocalizations of other conspecificindividuals. Finally, these authors have shownthat lesion of the lateral magnocellular nucleusof the anterior nidopallium, a motor structurecomparable to the basal ganglia of primates, in-volved both in the production and the percep-tion of song, prevents finches from discriminat-ing the syntactic-recursive characteristics of thesong they hear.

These results show that the best strategyfor studying some of the most relevant aspectsof human social cognition, even demonstratingthe bases of their uniqueness, consists in a pre-

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liminary recognition of the mechanisms and fac-ulties that we share with the rest of the animalworld. As maintained in the past (Gallese2003b, 2008), the difference between human andnonhuman nature could originally have been ofa quantitative rather than a qualitativenature.16

6 Body and language: Facts and challenges

One of the key challenges for the embodied ap-proach to human social cognition consists intrying to understand whether and how our bod-ily nature determines some of our linguisticactivities, such as denying, asking, or doubting,that seem to be exclusively human. Are lin-guistic activities as those ones anchored to bod-ily mechanisms? The question is open and em-pirical research must address this challenge inthe coming years. In the meantime, at least at apurely speculative level, let us try to delineate apossible point of contact between the anthropo-genic power of language and embodied simula-tion.17

There is indeed a way to connect the com-mon pre-linguistic sphere to the linguistic one(Gallese 2003b, 2007, 2008; Gallese & Lakoff2005; Glenberg & Gallese 2012). This consists inshowing that language, when it refers to the bodyin action, brings into play the neural resourcesnormally used to move that very same body. See-ing someone performing an action, like grabbingan object, and listening to or reading the lin-guistic description of that action lead to a similarmotor simulation that activates some of the sameregions of our cortical motor system, includingthose with mirror properties, normally activatedwhen we actually perform that action.

These data on the role of simulation in un-derstanding language (see Pulvermüller 2013 fora review of this topic) broadly confirm a thesisalready discussed in the history of philosophy(for instance, by Epicurus, Campanella, Vico,

16 According to this perspective, linguistic syntax could originate andbe modelled upon syntactic motor competence, the latter being ex-apted and put at the service of the new linguistic competence (seeGallese 2007, 2008).

17 With the expression “anthropogenic power of language” we meanthat the human nature, as we know it, depends on language.

see Usener 1887 and Firpo 1940 or Condillaco2001). The thesis in question claims for thebodily, sensory, and motor dimensions a con-stitutive role in language production and under-standing. However, it seems that the relation-ship between language and body does not movein a single direction. The fact is that languageis without doubts constitutive of human natureand, as such, it seems to offer us wholly humanmodalities of experiencing our corporeity.

In this sense, neuroscientific data on therole of simulation during understanding of lan-guage also lend themselves to a mirror and com-plementary reading with respect to that previ-ously proposed. On the one hand it is plausiblethat embodied simulation might play a crucialrole in understanding language. Indeed, if onereversibly interferes with this process, for in-stance by means of TMS stimulation, under-standing of language is jeopardized. On theother hand, language allows us—and in this weare unique among all living species—to fix andrelive specific aspects of our bodily experience.Through language we can crystallize and relivefragments of experiences that are not topical,that is to say are not my experiences now, butbecome a paradigm, a model, for understandingourselves and others.

In the following section we discuss the roleof embodied simulation seen as a paradigm ormodel in the light of the Aristotelian notion ofparadeigma.18 For the time being it suffices tostress that the possibility of hypostatizing andthen segments of our experiences independentlyof our immediate physical context, or independ-ently of specific physical stimuli, is a possibilitythat only the possession of language allows usto experience. The faculty of language is there-fore, on one side, rooted in corporeality but, inturn, changes and moulds our way of livingbodily experiences.

7 Body and language: Embodied simulation as a paradigm?

The relation between body and language was toa great extent underestimated in the last cen-18 For an earlier formulation of this hypothesis, see Gallese

(2013).

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 13 | 22

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tury, thanks, above all, to Chomsky’s major in-fluence. In 1966 Chomsky published a book sig-nificantly entitled Cartesian Linguistics.Descartes is the originator of the idea that lan-guage has little to do with the body.19 TheCartesian thesis on the relationship betweenlanguage and body implies, on one side, thatthe body is not a substratum and material oflanguage and, on the other, that language is ex-clusively a tool that expresses a thought formedindependently of language itself. According toDescartes (1642) and the Cartesian tradition inwhich Chomsky stands, language is a toolthrough which we manifest an autonomousthought that precedes language—a thoughtstructured by logic but certainly not by lan-guage, whose role is circumscribed and downs-ized to that of being a mere label of thoughts(cf. Hinzen & Sheehan 2013 for a critical discus-sion of the issue).

The theses informing the Cartesian idea oflanguage are challengeable nowadays. Languagemakes meaning general, releasing it from thecontext, that is, from the dimensions of who,what, how, where, and when. Language, inother words, provides us with a unique modalityof reference to the world, allowing us at thesame time to transcend contingent determina-tions and to define them at a different level,thanks to the use of concepts like subject, ob-ject, time, space, universal, etc. It is perhapsnot trivial to notice that such concepts corres-pond to precise grammatical structures andthat, most likely, the use of a grammatically-structured language contributed, by co-evolu-tionary dynamics, to the structuring of rationalthought characterized by such features (Hinzen& Sheehan 2013).

Hence, thanks to language we can speakof humankind without referring in particularto any of the single individuals sharing theproperty of belonging to the human species.We can speak of a subject aside from the indi-vidual embodiments of this attribute, etc.Language, as stressed by Virno, furnishes uswith general meanings, that is, meanings valid

19 It is worth noting that Descartes also defended the related thesisthat animals don’t have soul exactly because they do not have lan-guage. Cf. Descartes (1637).

for everybody but, at the same time, mean-ings that do not necessarily denote a particu-lar instantiation.

Interestingly enough, according to GiorgioAgamben (2008) what holds “for everybody andnobody” is referable to the Greek notion ofparadeigma, originally explored by Aristotle.The paradeigma is a typical form of rhetoricalreasoning that moves between individual andindividual according to a form of bipolar analo-gical knowledge. Agamben (2008, pp. 23-24),radicalizing Aristotle’s theses, maintains thatthe paradigm can only be conceived of byabandoning the dichotomy between individualand universal: the rule does not exist before thesingle cases to which it is applied. The rule isnothing but its own exhibition in the singlecases themselves, which thus it renders intelli-gible.

By applying the notion of paradigm to thegrammatical “rules” of language, Agambentouches upon a central point: the so-called lin-guistic rule derives from the suspension of theconcrete denotative application:

[t]hat is to say, in order to be able to serveas an example, the syntagm must be sus-pended from its normal function, and, nev-ertheless, it is precisely through this non-operation and this suspension that it canshow how the syntagm works, can allowthe formulation of the rule. (Agamben2008, p. 26)

To better explain the notions of rule and sus-pension of a denotative application, Agambenrefers to Latin declensions. When we want tolearn the first declension we inflect a noun, forexample “rosa”, “rosae”, etc… In so doing, weare suspending the usual denotative applicationof this noun and, by means of this suspension,we are showing how the declension works. Ac-cording to Agamben, “[…] in the paradigm, in-telligibility does not precede the phenomenon,but is, so to speak, ‘alongside’ it (parà)” (2008,p. 29). In other words “[…] in the paradigmthere is not an origin or an arché: every phe-nomenon is the origin, every image is archaic”(Agamben 2008, p. 33).

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 14 | 22

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On Agamben’s reading, the Aristotelianparadeigma is a good model for describing thecreation of linguistic rules. Starting from Agam-ben’s intuition and seeking to move one stepfurther, the hypothesis that we want to explorehere is that the notion of paradeigma is a goodmodel not only for the creation of linguisticrules but also for the definition of the embodiedsimulation mechanism. In this connection, simu-lation allows us, at a sensorimotor level, to hy-postatize and reuse what holds “for everybodyand nobody”.

To understand to what extent the analogybetween embodied simulation and paradeigmaworks it is necessary to go back to Aristotle.What is meant by paradeigma in Aristotelianthought and in what context does Aristotlemake use of this notion?

The paradeigma, as already anticipated, isa typical is a typical argument form used topersuade and devoted to the discussion of“things that can be otherwise.” Aristotle dis-cusses this argument form, which does not haveany demonstrative aim, both in Prior Analyticsand in Rhetoric. Argumentation based on theparadeigma, for example, consists in thepresentation by the orator of an exemplary case,based on a historical fact or a figment of theimagination, as in the case of fables. It is thejuxtaposition of the present situation and an ex-emplary one that guides, or should guide, theactions of the person to whom the argumenta-tion is addressed. Thus the paradeigma, amongrhetorical argumentations, is that which goesfrom the particular to the particular, from anexemplary case to the present situation. Argu-mentation based on the paradeigma does notmake a claim for universality. The orator is notbound to offer an exhaustive number of casesjustifying a universally valid conclusion. Onecase is sufficient, provided that it is particularlysuitable, and precisely exemplary, in relation tothe context in which the argumentative dis-course takes place.

For these reasons, though resembling in-ductive reasoning (epagoghé), which proceedsfrom the particular to the universal, and indeedconsidered by Aristotle himself as the transposi-tion of inductive reasoning to the rhetorical

sphere, the paradeigma conquers its ownautonomous space. To confirm this, one needonly to think that in Prior Analytics Aristotle(Ross 1978) devotes two separate chapters toparadigm and induction: respectively XXIV andXXI of Book II.

On the one side the paradeigma, whichproceeds “from the part to the part” (PriorAnalytics 69a, 15), are peculiar aspects distin-guishing it from the epagoghé; on the other, it isby all means a form of induction, as Aristotleexpressly affirms at the start of Chapter XX ofBook II of Rhetoric. According to Piazza (2008,p. 117) there are at least two reasons why theparadeigma can still be considered a form ofepagoghé, despite the peculiarities that charac-terize it. Both these reasons seem interesting,not only for the definition of paradigm that,starting from Aristotle, Agamben discusses inrelation to linguistic praxis, but also and aboveall in the framework of a reflection on the mir-ror mechanisms enacted in embodied simula-tion.

Following Piazza’s (2008, p. 117) readingof Aristotle, the first of the characteristics of in-ductive reasoning also found in the paradeigmaconsists in always proceeding from what is “bestknown and first for us” (Aristotle, Analyticaposteriora II.19), or from what is for us mostimmediate and most easily accessible, becausebeing part of our baggage of experiences andknowledge. The second characteristic is, instead,identifying similarities between particular cases.

At another level of analysis, both thesefeatures also characterize embodied simulation.One condition for the simulation mechanism’sbeing enacted is sharing a baggage of (motor)experiences and knowledge. Embodied simula-tion is enacted starting from what for us is“first,” i.e., what for us is known and easily ac-cessible in terms of motor potentialities and ex-periences. Sharing a repertoire of practices, ex-periences, and sensations is therefore an essen-tial condition, since only by starting from whatis well known to us it is possible to identify ana-logies between our actions and others’. We un-derstand the other starting from our own bodilyexperience, which is what is “best known andfirst for us”, again using Aristotle’s words. On

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 15 | 22

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the basis of this knowledge we identify similarelements in our experiences as well as in thoseof others.

Embodied simulation, when manifested inthe phenomenon of action, emotion, or sensa-tion mirroring always involves an original I-thourelationship in which the “thou” is the termwith respect to which the self is constituted. Onthe other hand, the “self” is the basis on whichimmediate and implicit understanding of the“thou” is possible.

The analogy with the cognitive mechanismsubtended by paradigmatic reasoning appearsevident. Indeed, in the case of Aristotle’sparadeigma, an example, a particular case, isunderstood because it is close to our feeling, ourexperiences, and our baggage of knowledge. Andnevertheless the process does not stop here.This form of understanding of a particular thatis not me will lead me to new conclusions andto a deeper understanding of myself, of my par-ticular case, and of my situation. Our experi-ences are therefore the measure from which weunderstand others and their experiences (i.e.,our previous actions, emotions, and so forth).And others’ experiences (i.e., their actions, emo-tions and so forth) are for us a condition fordeeper understanding of ourselves. Thus, theembodied simulation underpinning my presentexperience is also a paradeigma from which Ican understand what I observe in others anddraw inferences from it for others and for my-self.

The embodied simulation mechanism, thusdefined, is constitutive of the process of con-struction of meaning. In this connection, em-bodied simulation enacted while understandinglanguage is not my present experience but theparadeigma in relation to which some of our lin-guistic expressions acquire a meaning that isrooted in the body. When we read or listen tothe description of an action, the process of sim-ulation that takes place in us is not the enact-ment of the same action; we would be echop-ractic if we were unable to avoid imitating andreproducing all the actions that we see or whosedescription we listen to or read. According toour hypothesis, embodied simulation rathermakes available to us an exemplary case, a

model, in relation to which understanding oflanguage is also realized. If therefore it is truethat the symbolic dimension opens up somepossibilities for us and creates worlds for usthat only linguistic creatures can enter, it is alsotrue that language strongly exploits mechanismsrooted in our corporeality. Enactment of thesimulation process in understanding languageseems to suggest that the symbolic dimensionand the bodily dimension cohabit in linguisticpraxis.

Nevertheless, the nature of this relation-ship is still not entirely clear, nor is the confinebetween the bodily dimension and the typicallyor exclusively symbolic dimension. Can it be hy-pothesized that corporeal knowledge also playsa role in understanding logical operators suchas, for instance, negation or disjunction, or thatit plays a role in understanding the interrogat-ive form? The whole symbolic nature of theselinguistic structures appears in some respectsbeyond question. Research on these issues isnow open (Kaup et al. 2006, 2007; Tettamantiet al. 2005; Christensen 2009; Tomasino et al.2010; Liuzza et al. 2011; Kumar et al. 2013) andtoday many wonder about the possibility ofidentifying mechanisms that can anchor suchstructures to our bodily experience. We takethis to be the real challenge for the embodiedcognition approach to the role played by lan-guage in human social cognition.

Let us once more return to the Aris-totelian notion of paradeigma and appraiseother possible hints for substantiating the ana-logy with the embodied simulation mechanism.The understanding that the rhetor calls forthrough reasoning based on the paradeigmashould lead the citizen to choose what is bestfor him in various circumstances. The goal ofsuch reasoning is to determine understanding ofa present situation, by analogy with a historicalexample or a fable, and, on the basis of thismore informed knowledge, to guide the humanbeing’s choices. In other words, the rhetoricalexample or paradeigma is knowledge whosemain goal is practical and not theoretical.

A practical aim also characterizes embod-ied simulation. Embodied simulation is alwaysaimed at “navigating” in the world and, there-

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 16 | 22

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fore, eventually at acting. It was hypothesizedthat embodied simulation allows us a direct, ex-periential way of understanding other people’sactions and experiences and, on the basis of thisunderstanding, it allows us to regulate our ac-tions and our experiences. These goals are al-ways practical. In some respects, the process ofembodied simulation that is enacted, for in-stance, when reading a novel (see Wojciehowski& Gallese 2011), also has a practical aim. Liter-ature recreates a world of emotions and experi-ences: the emotions and the experiences of theliterary characters inhabit the fictional world ofthe novel. The simulation mechanism helps usto “navigate” that world, even if it is a fictitiousworld; it allows us to understand and, in part,to relive the emotions of the protagonists andtheir vicissitudes. The aim in this case is prac-tical insofar as the simulation mechanism allowsus to approach the fictitious other with asecond-person epistemic perspective (Gallese2014).20

Embodied simulation makes implicitknowledge about others immediately available,with the aim of regulating our interactions withthem. Our understanding of the literary other isalmost always second-person, based on the pos-sibility of perceiving analogies between our ownexperiences and others’ and made possiblethrough a hypostatization of our experiencesthat is achieved through the simulation mechan-ism (Wojciehowski & Gallese 2011).

In the end, what is embodied simulation ifnot a suspension of the application of a process?Let us think of when mirror neurons are activatedin observing actions performed by others; or ofwhen canonical neurons are activated while weare looking at the keyboard of a computer think-ing about what we want to write; or when cor-tical motor neurons are activated when we ima-gine ourselves writing on that keyboard. These re-sponses on the part of motor neurons manifestthe activation of implicit knowledge, that is, bod-ily motor knowledge expressing the motor poten-tialities of the bodily self mapped by the motorsystem in terms of their motor outcomes.

20 A second-person perspective is adopted in social contexts when, im-plicitly or explicitly, we re-use our own experiences to understandothers. On the notion of second-person perspective see Pauen (2012).

Reuse of motor knowledge, in the absence ofthe movement that realizes it, as exemplified byembodied simulation, is an example of “paradig-matic knowledge.” Thus, embodied simulation is acase of implicit paradigmatic knowledge. Accord-ing to our hypothesis, embodied simulation allowsus to naturalize the notion of paradigm, anchor-ing it at a level of sub-personal description, whoseneural correlates we can study.

Our openness to the world is constitutedand made possible by a motor system predispos-ing and allowing us to adapt our daily and con-tingent pragmatic relationships with the worldagainst the background of a prefigured but highlyflexible plan of motor intentionality. Such a plan,intended as the sum of our motor potentialities,provides its coordination to any single contingentmodality of relation with the world, that is, toany single action we perform, in which it contin-ues to actualize itself. This aspect seems import-ant to us because it shows how specific aspects ofhuman social cognition are made possible andscaffolded upon processes not necessarily specificto humans, like embodied simulation.

8 Body and soul

It is improper, or at least it seems so to us, to saythat the soul, the spirit, or intelligence are em-bodied. If it were so, we would thus return to adualistic conception of human nature. Such dual-ism is always present in the tradition of Westernthought, though it is often disguised in formsthat, rightly or wrongly, are deemed politicallymore correct. Today nearly all cognitive scientistsdeclare themselves to be monists and physicalists.Nevertheless, the conception still dominant todayabout the cognitive structure of humans and theirfunctions draws a clear-cut and apparently un-solvable division between linguistic-cognitive pro-cesses and sensory-motor processes. It matterslittle that everybody admits that both are insome way referable to the biological physicality ofthe brain. The brain, according to classical cog-nitivism, is divorced from the body and conceivedof as a box of algorithmic wonders.

Classical cognitivism sees the body as anappendix of little or no interest for decoding thesupposed algorithms reportedly presiding over

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 17 | 22

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our cognitive life. Such is a cognitive life withvery little vitality, totally divorced not onlyfrom effectual reality, as we try to show here,but also from our daily phenomenal experience.It is not by chance that the language usuallyused to describe cognitive processes is borrowedfrom artificial intelligence: algorithms, informa-tion processing, etc.

Humans, however, cannot be assimilatedto information-processing entities. Even less ac-ceptable is the thesis that the concept of mean-ing is wholly assimilable to the concept of in-formation. Classical cognitivism has maintainedfor decades that intelligence depends on the al-gorithms that substantiate it and not on thematerial substrata on which the algorithmsthemselves are believed to be implemented.This is the so-called principle of the multiplerealizability of cognitive processes. EmbodiedSimulation and its relation to language and cog-nition casts severe doubts on this principle andadds arguments in support of the thesis thathuman cognition is tightly and necessarily de-pendent on the kind of body we have. As such,the mechanism of Embodied Simulation and therole it plays in human cognition provide furtherarguments in support of the idea that the prin-ciple of multiple realizability is false. We arewho we are because we evolved by adapting to aphysical world that obeys a series of physicallaws, such as that of gravity.

As the art historian Heinrich Wölfflin wrotein his 1886 Prolegomena zu einer Psychologie derArchitektur, if we were exclusively opticalcreatures, aesthetic judgment of the physicalworld would be precluded to us. Are theamazement and sense of elevation transmitted tous by the contemplation of a Gothic cathedralconceivable in purely algorithmic terms? Is it con-ceivable to divorce aesthetic experience from ourdaily muscular, tactile, and viscero-motor experi-ence of reality? Wölfflin (and together with himmany others, among them Merleau-Ponty) main-tained it was not, and we think that he was right.

We believe that our “natural” propensity todualism is, on the one side, the product of our be-ing asymmetrically positioned between mind andbody, as Helmuth Plessner (2006) maintained.We are corporeal beings, but at the same time we

maintain that we have a body. On the other side,the account of the historical result of the pro-gressive de-centralization of the anthropologicaldimension leads us to be dualist. We are nolonger the living image of God, we are no longerat the centre of the universe, and perhaps in post-modern times we are no longer even subjects orselves. What are we left with but with the claimof the total otherness and discontinuity of ourcognitive social life and its underlying processes?Their immaterial nature, or more exactly theirtotal otherness in relation to a corporeity whoseanimal origin or essence is—evolutionarily speak-ing—pretty much clear, is perhaps the only wayof reaffirming our uniqueness. The dualismbetween mind and body become, thus, a mechan-ism of defence. The so-called mental Rubicon thatseparates us from other non-human living beingsis a very powerful anti-depressive argument for adisorientated humanity.

At this point, however, a clarification is re-quired in order to avoid unpleasant misunder-standings. It is beyond doubt that the least intel-ligent among humans is incommensurably differ-ent and other in relation to the most intelligentamong chimpanzees, despite their almost com-plete sharing of a genetic endowment. The pointis that this quantum leap can be explained, per-haps, by remaining within an evolutionary frame-work that does not look for discontinuities foun-ded on theories of “cognitive catastrophes,” ge-netic big bangs (as in the case of the so-called“grammar gene” invoked by Pinker), and so forth.The mysterious uniqueness—and loneliness—ofhumankind in the universe proves more compre-hensible, or at least more easily approachable, ifempirically investigated after having set aside theanti-continuist and self-consoling recipes of classiccognitive science. In our continuist approach, hu-mankind is not special, because his evolution fol-lows the same laws that regulate evolution of allother animals and is in continuity with evolution-ary paths of other animals. However, our peculiarevolutionary path leaded us to acquire species-specific characteristics that only human beingsshare.

Sigmund Freud realized long before othershow much the self is a bodily self (1923). Freudalso helped us to understand how little we know

Gallese, V. & Cuccio, V. (2015). The Paradigmatic Body - Embodied Simulation, Intersubjectivity, the Bodily Self, and Language.In T. Metzinger & J. M. Windt (Eds). Open MIND: 14(T). Frankfurt am Main: MIND Group. doi: 10.15502/9783958570269 18 | 22

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about who we are, particularly when aspiring toground this knowledge solely on self-questioningrationality. What are the drives of which Freudspoke but a further manifestation of the doublestatus of our flesh? We are Körper (objectualand represented body) and Leib (lived body), asEdmund Husserl maintained. Today cognitiveneuroscience can shed new light on the Leib byinvestigating the Körper. The point is not to re-duce the Leib to the Körper, but to understandthat the empirical investigation of the Körpercan tell us new things about the Leib.

9 Provisional conclusions

In this paper we addressed and discussed thenotions of intersubjectivity and of the self as in-dissolubly intertwined outcomes of the bodilyand symbolic dimensions. We proposed that em-bodied simulation seems to be able to naturalizethe notion of paradigm, thus naturalizing one ofthe processes that makes language reflexivenesspossible, and thus contributing to “creating”the human being. Being a subject perhapsmeans being a body that learns to express itselfand to express its world thanks to the paradigm—embodied simulation—that allows one to gobeyond the body while remaining anchored toit. A new understanding of intersubjectivity canbenefit from a bottom-up study and character-ization of the non-declarative and non-metarep-resentational aspects of social cognition (seeGallese 2003a, 2007).

One key issue of the new approach to in-tersubjectivity we proposed here is the investig-ation of the neural bases of our capacity to beattuned to the intentional relations of others.At a basic level, our interpersonal interactionsdo not make explicit use of propositional atti-tudes. This basic level consists of embodied sim-ulation processes that enable the constitution ofa shared meaningful interpersonal space. Theshared intersubjective space in which we livefrom birth constitutes a substantial part of oursemantic space. Self and other relate to eachother because are opposite extensions of thesame correlative and reversible we-centric space(Gallese 2003a). Observer and observed are partof a dynamic system governed by reversible

rules. By means of intentional attunement, “theother” is much more than a different representa-tional system; it becomes a bodily self, like us.

This new epistemological approach to inter-subjectivity has the merit of generating predic-tions about the intrinsic functional nature of oursocial cognitive operations, cutting across, andnot being subordinated to a specific ontology ofmind, like that purported by the classic cognitiv-ist approach. Open questions that need to be fur-ther investigated in the future concern the biolo-gical mechanisms underlying our species-specificforms of self-knowledge and intersubjectivity.Language will have a special role in this investiga-tion. To what extent and how are symbolic opera-tions constrained by biological mechanisms? Isthis connection between symbolic representationsand bodily mechanisms that has been responsiblefor our specificity? These and other questions willbe object of investigation in the next years

Acknowledgements

This work was supported by the EU Grant To-wards an Embodied Science of InterSubjectivity(TESIS, FP7-PEOPLE-2010-ITN, 264828) andby the KOSMOS Fellowship from HumboldtUniversity, Berlin to VG.

The authors wish to thank Anna Strasser,Michael Pauen and two anonymous reviewersfor their most useful comments and criticismson an earlier version of this article.

Although both authors discussed and de-signed the article together, sections 2, 3, 4, 5,and 8 were written by Vittorio Gallese, whilesections 6, and 7 were written by ValentinaCuccio. Sections 1 and 9 were written jointly byboth authors.

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