PSY315H5 Lecture Notes - Lecture 7: Zipper, Specific Language Impairment, Communicative Competence
Document Summary
Basis of impact = joint effect: child"s limited access to environmental info, people behave differently around blind children. More errorful production of those speech sounds that have clear visible correlates (lip position: b, m, p, f, v) Reduced capacity to use joint attention during word learning: ex. following eye gaze to know what speaker is referring to. Fewer words known for visible things not part of the here-and-now (e. g. moon, flag) More difficulty extending words to new instances. Certain syntactic and lexical delays (e. g. modal verbs like might, would, could; questions), presumably due to high proportion of imperative" forms in caregiver such as look at the truck! . Early signs: no apparent rapid burst in language development. Later, often accompanied by problems with written language acquisition. Deficit in language abilities but other cognitive abilities are unaffected. Other aspects of intellectual/cognitive development proceed at typical rate. Lifespan effects; not something you grow out of: e. g.
