PSYC 2450 Lecture Notes - Lecture 16: Mutual Exclusivity, Language Processing In The Brain, Joint Attention
23 Jan 2017
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Early sensitivity to speech: neonates react to human speech, recognize mother"s voice at 3 days. Prefer mother"s language: young infants can discriminate more phonemes than adults. Children can use different types of accents when speaking. Cooing (2 months of age) different languages: ooohs,(cid:499) (cid:498)ahhhs(cid:499, vowel-consonant combinations: mamama(cid:499, consistent use of sounds in situations. Turn taking: babies learn to take turns, when one person stops talking, the other starts. Pointing for joint attention: imperative gestures. Pulling on parents pant to get attention. From about 1 year of age: productive language. Holophrase: single-word utterance with meaning of entire sentence. Naming explosion: rapid acquisition of new words for objects, 18-24 months. Types of early words children use (50-word vocabulary) from most to least: objects, action words, modifiers, social words, function words. Learning the meaning of words: fast-mapping process. Linking word and meaning after 1 or 2 exposures. Car for all motorized vehicles: underextension. General words used to describe specific instance.
