P11B+Slides+12--Language+development

P11B+Slides+12--Language+development - 5/5/2010 Today...

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5/5/2010 1 Language acquisition Today What makes learning language challenging? What makes learning language possible? Three theoretical approaches Behaviorist explanations (e.g. Skinner) Nativist explanations (e.g., Chomsky) Interactionist explanations Milestones in language development 2 What makes learning language challenging? 3 Challenges The child has to distinguish which sounds are speech 4 What does language sound like to a baby? 5 To identify words, and their meanings, the baby uses: Verbal context: words the baby already knows Physical context: What's going on when words are spoken 6
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5/5/2010 2 Challenges The child has to distinguish which sounds are speech segment speech into words 7 Semantics: Meaning 8 Gavagai! Gavagai means ___________. 9 Semantic overextension Child’s word Used for Meaning? bird cows, dogs, cats animal fly all small insects, small size specks of dirt, crumbs, his own toes mooi moon, cakes, round round marks on window, letter "o", postmarks 10 Semantic underextension daddy‟ refers only to my father „doggie‟ refers only to my dog 11 Challenges The child has to distinguish which sounds are speech segment speech into words figure out the meanings of words: semantics 12
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5/5/2010 3 Syntax Rules that govern how words and phrases are combined to form grammatical sentences Change the structure and you have changed the meaning Fido bit Joey 13 Joey bit Fido What makes language learning challenging: The child has to distinguish which sounds are speech segment speech into words figure out the meanings of words: semantics figure out the rules governing word order: syntax 14 What makes language learning possible? Behaviorist explanations
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P11B+Slides+12--Language+development - 5/5/2010 Today...

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