Rehabilitation Sciences 3061A/B Lecture : Aphasia

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Aphasia y an acquired impairment of communication resulting in deficits in: language expression, language comprehension, reading (oral and comprehension, writing, gesturing y patients have normal thought processes and cognition. Intellectual capacity is preserved y specific area of brain damaged will determine specific speech and language symptoms present. Causes of aphasia: y stroke (cva) interruption of blood flow to the brain: hemorrhage (bleed, embolism (blockage) y trauma y brain tumours y. Fluent: output is smooth, relitivley normal prosody (intonation, pitch, stress, little struggle is apparent, comprehension is typically impaired. Non-fluent: output is hesitant and effortful, speech content is telegraphic, comprehension is relatively spared. Wernicke s aphasia y fluent aphasia y damage to superior, posterior portion of temporal lobe y. Inability to grasp meaning of spoken words y easy speech production though content not there y difficulty recalling correct content words: especially nouns y words may be meaningless y reading and writing often severely impaired.

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