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8/9/2019 Active Ageing: The science of older and wiser
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ACTIVE AG EIN G :TH E SCIEN CE O F O LD ER
AN D W ISER
Dr Abhijit Das, MD, DM
Director of NeurorehabilitationConsultant Neurologist
Institute of Neurosciences Kolkata
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NEUROSCIENCE OF AGEING Memorys speedand accuracy beginto slip around age! and keep ondeteriorating
"lo#ing ofprocessing speed#ith ageing is oneof the most robust
neuropsychological$nding
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The Anatom y of Ageing
Brain is thinner, lighter more in some areas
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Loss of N eural Circuits and
rain !lasticit"
The ageing brain functions differently
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Accum ulation of debris
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The fate
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The reality is not that bad
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TH E RAIN TH AT CH AN G ESITSELF
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Aged !rain " #ifferent !rain
%he acti&ation pattern in our brainchanges as #e age
'A()*D + hemispheric asymmetryreduction in older adults Cabe-a../
0A"A + posterior1anterior shift in aging
Da&is ..2/ 3*"A + %he 3arly to *ate "hift in Aging
De# .4/
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Ageing brains are m ore
$u%front&
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Ageing brains are $reacti'e&
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AG EIN G#
!O SITIVIT$ % W ISD O &
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Ageing " (ositi'ity
)lder adults e5hibit increased frontalacti&ations to emotional materials as#ell as cogniti&e biases to#ard
positi&e &ersus negati&e stimuli6
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Mechanisms
"emantic elaboration
"elf+referential processing
3motion regulation
Ageing " (ositi'ity
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Ageing " ) ore inform ation
Not all cogniti&e performances decline
Ageing brain has more data 1 takeslonger time to analy-e them and to
respond
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Ageing " * isdom
7Cogniti&e templates8 de&elop in theolder brain based on pattern recognition
%hese can form the basis for #ise
beha&ior and decisions6 Insights and perspecti&es from ones
cogniti&e kno#ledge to be #ise there9ecti&e dimension/6
%o understand and help others thecompassionate dimension/6
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H O W TO EN EFIT FRO &AN AG EIN G RAIN
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Rem ain Fit + Acti'e
'igh le&el of education
0hysical e5ercise
"taying intellectually engaged, i6e6reading and mental acti&ities such ascross#ord pu--les
Maintaining social and friendship
net#orks Maintaining a healthy diet, including
omega+: fatty acids, and protecti&e
i id
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The Cogniti'e Reser'e
%he ability of an indi&idual todemonstrate no cogniti&e signs ofaging despite an aging brain is called
cogniti&e reser&e %#o people might ha&e the same brain
pathology, #ith one person
e5periencing noticeable clinicalsymptoms, #hile the other continuesto function relati&ely normally6
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Acce%tance
An impediment to #isdom is thinking,7I cant stand #ho I am no# becauseIm not #ho I used to be,8
0ercei&ed #orsening of their looks
their physical abilities
their memory their se5ual performance
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%hankMonument Valley, AZ 2013
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