PSY315H5 Lecture 5: Learning Words.docx
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Lecture 5 – Learning Words: Lexical Development
What is a Word?
•What is lexical knowledge?
•By 9 months, infants use many cues
Acquisition of words & their meanings:
•What words do children learn first?
•What do kids know about the words they use?
•How do kids learn about words of their language?
The Course of early Lexical Development
•Are children’s first word representations adult-like?
•Recognize words that are heard often at 5m
•Comprehension vocab differs from production vocab
Word Learning: Prelexical Stage?
Table 5-1: Children’s First 10 words
Context bound: Mummy, go, quack, there, buzz, we, help, bye-bye, there
Nominal: teddy, ball, Jacqui, bee, doggy, shoe, moo, car, woof, buzz
Nonnominal: more, mummy, no, yes
Word Production: Is there a spirt?
Nouns vs. Verbs: Content of Early Vocabularies
•Neural partitions hypothesis
•Relational relativity hypothesis
Overextensions & Underextentions
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