01:830:331 Lecture Notes - Lecture 9: Speech Perception, Fast Mapping, Nonsense Word
3 Apr 2017
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Language: what develops: phonology -- sound system. Vowels and consonants: semantics -- meaning system. Example: running = 2 morphemes (run+ing: syntax -- grammar. Rules for combining morphemes to make sentences, questions: pragmatics -- functions of language. Knowledge of how to use language to communicate. Later becomes specialized due to fine-tuning based on experience with native language. Can only recognize phonemes from the language they are exposed to. Before they can speak or recognize words, infants segment the language into universal speech units (phonemes: identifying words. Infants at 7-8 mos. can segment speech into word units. Segment into: pretty baby not prit tibay bee. Distributional properties of sound units: bay and bee occur together more frequently. Distinguish words and nonwords based on sounds that go together, not meanings. Supported by research on nonsense word units http://www. nsf. gov/news/special_reports/linguistics/learn. jsp. Before they understand words, they can identify and remember word units: early vocalizations and babbling.
