Psycholing Present.pptx

8/10/2019 Psycholing Present.pptx

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Psycholinguistics

Wild Children and their stories


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Introduction

Isolated Children Chelsea

Isabelle

Helen

What Isabelle and Helen proved

Major factors governing language learning

Is there a critical age for first languagelearning?


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Chelsea

Aged 32 when discovered (Now 57) Not deaf, only partially hearing-impaired

With hearing aid and language instruction

Developed extensive vocabulary

Unable to make grammatically correctutterances (Lack word order)

Combing hair the boy

Banana the eat

FAILED REHABILITATION


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Isabelle

Aged 6.5 when discovered Confinement with mute mother

Mute mother:

Brain-damaged since 2

Never developed speech

Mother and Isabelle both locked in a room


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Isabelle

1 week after rehabilitation: First attempt of vocalization

3 months:

Producing sentenceutterances Thats my baby.

I dont want.

Close your eyes. 1 year:

Retell a story in own words


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Isabelle

1.5 Year: Complex structure of questions

Why does the paste come out if one upsets the jar?

2 Years: Produce full length sentences, intelligent

questioning

SUCCESSFUL REHABILITATION


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Helen

Aged 7 when discovered Born normal

Became deaf and blind

when 19 months old(Illness)

Had some degree of

language exposurebefore illness


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Helen

Bell(Inventor of telephone) and Macyhelpher with rehabilitation


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Helen

Hand signals with Bell Touch lips & vocal cords with Macy

Though unable to hear, able to producespeech

Strange, high pitched monotone


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Helen

Graduated fromHarvard University

Became a famouslecturer and writeraround the world

SUCCESSFULREHABILITATION


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Isabelle and Helen proved:

Language exposure ASAP Without exposure, children will not aquire

language

Can be in form of Speech

Signs

Writing Touch


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Major factors governing language learning

The ageexposureto language begins Helen exposed during first 19 months

Isabelle: Special case (No exposure until 6.5

years old)

Extend of trauma prior to exposure

(Psychological, physical, social) Both Helen & Isabelle did not have trauma

Helen: Lovely family

Isabelle: Affection of mother


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Critical age for first language learning

Critical Age Hypothesis: first few years of life is the crucialtime to

acquire first language (~6-7 years)

If presented with adequate stimuli Otherwisenever full command of language

especially grammatical systems


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Critical age for first language learning

Helen and Isabelle learned languageduring critical periodSucceeded

Victor, Genie, Chelsea, Oxana notFailed


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End

Thank You

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Psycholing Present.pptx