PSY374H5 Lecture Notes - Lecture 4: Aphasia
Document Summary
This agrammatism is also seen in writing, which evidences that damage occurs in the left inferior frontal cortex: broca"s patients show impairment on gestures that appear to be more interactive e. g. , putting one"s hand up as a means of indicating that one"s turn is not finished, wernicke"s aphasia (receptive aphasia): is associated with paragrammatical speech, speech is fluent but not informational, and thus this speech is sometimes referred to as a word salad". Wernicke"s vs broca"s aphasias has a biological basis. psycholinguistic distinction between open class words (nouns & verbs) and closed class words (e. g. , function words) there is neurological validity" to the distinction, category specific dissociations, some aphasics selectively lose the ability to understand certain categories of words but not others. e. g. , can name colours and body parts, but not fruits and vegetables: wernicke"s aphasics show many problems in language comprehension, but they can correctly respond to axial commands", to make body movements stand up, look up .
