PSYC10003 Lecture Notes - Lecture 32: 18 Months, Noam Chomsky, Language Acquisition Device

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12 May 2018

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9. Language Acquisition

Language Acquisition

• Children seem to act like efficient linguists equipped with a perfect theory of language, who use this

theory to construct the grammar of the language they hear

• The stages of language acquisition all over the world are similar

• Stages divided into pre-linguistic and linguistic stages

Pre-Linguistic Stage

• Earliest cries, whimpers, coos are stimulus driven

• Involuntary responses to hunger, discomfort, wellbeing

• Noises produced by infants in all language communities are the same

o Deaf children also produce these sounds

• Newborns also respond to phonetic contrasts even when the differences are no phonemic in the

laguage spoke i the ays hoe Japaese aies a distiguish l ad r

• Attention to phonetic contrasts is measured by recording changes in sucking rate

o Sucking rate increases when stimuli are varied

Babbling

• ≈ 6ths ifats egi to ale

• sounds produced include wide variety of sounds, not all of which occur in the language spoken in the

home

• deaf children also babble

• In pre-linguistic stage

Linguistic Stage

• ≈ over next 6 months

• babble starts to become more like native language

• marks movement into linguistic stage of language acquisitiong

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