PS102 Lecture Notes - Lecture 5: Oneword, Language Development, Cognitive Flexibility
Document Summary
A set of symbols used for communication. The smallest units of sound recognized as seperate in a given language. English: 40 phonemes; more than 80,000 morphemes for the average person. Some are single syllable words (hat, bat) Some are single letters (s, ed, ing) Rules for combining words together into meaningful phrases. Infant/child has to select out the sounds relevant to language from other vocal sounds in the speech stream. 12-20 months: one word at a time. 36-48 months (3-4 years): they can tell you a story. Overextensions - word is used too liberally-specific word applies to things it should not. Underextensions - general word but child restricts to specific cases. Telegraphic speech (by 2 years of age) Basic understanding of practical information regarding language. English past tense (e. g. runned) and plurals (e. g. English past tense (e. g. runned) and plurals (e. g. gooses) Problems- doesn"t explain creativity in utterances or errors in speech.
