CMD 460 Lecture Notes - Lecture 1: Language Disorder, Paraphasia, Agrammatism

• School: URI
• Department: Communicative Disorders
• Course: CMD 460
• Professor: Kim Mikyong

Document Summary

Aphasia: a language disorder due to a language-dominant hemisphere damage. Recent research shows that many individual with aphasia also show some level of cognitive deficits: attention, verbal memory, executive function. The underlying cause of aphasic language deficits is still under debate (language impairment vs. overall processing deficits) Most frequently caused by a left hemisphere stroke. Also results from a tbi, right hemisphere stroke (rare) and bilateral strokes. Subcortical aphasia has been also reported: damage to the thalamus, insula, etc. Communication modality and aphasia: naming: verbal expression. The processing of knowing and retrieving the label for an entity. Is a complex process that may have more than a single level at which it is impaired. Individuals with difficulties may produce hesitations (latency), wrong words (similar category) or similar sounding words (unrelated words), nonsensewords (neologisms) descriptive approaches, and/or gestures: paraphasia: word substitutions. A universally expected feature of aphasia regardless of the lesion site (also found in other neurogenic comm.