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Unformatted text preview: 4/18/11 1 Language • Generative • Meaning and grammar semi-independent • Complex grammatical system: syntax No eat! No eat! No eat! Word learning How do children learn names for things? • What words go with what objects? • The word learning problem –Birth: 0 words –1st year: 10 words –2nd year: 300 words –9 new words per day • (average from 19 mo.- 5 years) The problem of reference • What words go with what objects? kitty train truck airplane ball duck frog boat dog chair juice book moon flower Gavagai! The “gavagai” problem Quine (1960) tail ear leg rabbit ground running furry 4/18/11 2 tail ear leg rabbit ground sky hill tree bush fence grass sun bird Gavagai! The problem of reference • Too many meanings –No meaning is clearly the right answer • Developmentalists: word learning logically impossible How is word learning possible? • Experimental analog to “gavagai” • ArtiFcial noun learning task –used on 13 month olds & older –Results from 2 year olds...
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- Spring '07
- GOLDSTEIN, M
- Developmental Psychology, – whole object constraint, Mary ﬁxed