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Lecture 18 - Topics - Language Acquisition

Lecture 18 - Topics - Language Acquisition - Introduction...

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    Introduction to Cognitive Science PSYCH 1102/COGST 1101/LING 1170/ PHIL 1910/CS 1710
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    Topics: Language acquisition How hard is learning French? French babies do it! Baguette, croissant,  fromage, fois gras.  C’est  facile, no?
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    Outline What do we learn? All that in five years! How do we learn it? Part 1 People sound like idiots talking to babies for  a reason! How do we learn it? Part 2 How special is language anyways? Language acquisition & cognition This stuff matters even if you don’t have kids!
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    What do we learn? All that in five years!
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    What do we learn? Language acquisition is the process by  which a human comes to learn a  language Particularly spoken language Particularly as a child Particularly a first language
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    What do we learn? Must learn that language matters in the first place Must learn to distinguish the phonemes that matter in our  language Must learn the morphology & syntax (the combinatorial rules)  of our language Must learn how the arbitrary symbols of language are bound  to objects & events in the world Must learn how to move our mouth to produce sounds Must learn what language is appropriate where We do most of this without any explicit instruction by 5 years  old or so Before we can walk or even feed ourselves we’ve got the basics  down!
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    What do we learn? 0-8 weeks Comprehension Discriminate native from non-native language Preference for mother’s voice Preference for prenatal stories Production Reflexive crying & vegetative sounds
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    What do we learn? 8-20 weeks Comprehension Discriminate phonemes categorically Production Cooing & laughter
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    What do we learn? 4 months Comprehension Expanding phonological awareness Production Vocal Play
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    What do we learn? 6 months Comprehension Declines in non-native phoneme  discrimination Preference for native language clause  boundaries Pick out known “words” in nonsense stream Production Reduplicative babbling (bababa, mamama)
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    What do we learn? 10 months Comprehension No non-native phoneme discrimination Preference for words with native stress  pattern Comprehend simple phrases (“give me a  hug”) then individual words Production Nonreduplicative babbling (bamito) &  expressive jargon (playing with stress  patterns)
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    What do we learn?
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