ASLS 682 Lecture Notes - Lecture 7: Cerebral Palsy, Pediatrics, Low Birth Weight
24 Oct 2016
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Communication skills in typically developing toddlers: 8-18 months: preverbal intentional communication using gaze, gesture, and vocalization at 8-12 months, expressive vocabulary starts slowly. Communication skills in typically developing toddlers: 18-24 months: average expressive vocabulary size at 18 months is 100 words (+/- 100, multiword utterances increase in frequency, new communicative intentions emerge related to discourse level functions. Meanings related to object permanence: word order is consistent within these combinations. Communication skills in typically developing toddlers: 24-36 months: average expressive vocabulary size at 24 months is 300 words (+/-150); word classes include. Color, shape words: grammatical morphemes, verb phrase marking emerges; some overgeneralization, grammatical forms for sentences such as questions, negatives are learned, sentence length is 3-5 words. 2: intelligibility increases from 50% to 70% The emerging language period: some older children with severe communication disorders may continue to function at this level of communication, using single words or simple 2- to 3-word combinations.
