| Global Aphasia |
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Global aphasia is a type of aphasia that is usually associated wiht a large lesion in the persylvian area. It involves a "left side blowout" which includes Broca's, Wernicke's and the Arcuate Fasiculus. When injury initially occurs to all of these areas the progression starts out with Global aphasia in the first 1-2 days, because of brain swelling. From there it evelves into Brocas or Wernicke's for 1-3 months (usually Broca's) then it resolves into a presidual anomic aphasia. Studies show that spontaneous improvement, if it happens, happens by six months, but no one comes back 100%. Persons with global aphasia are usually mute or use repetitive vocalization. The person can sometimes use simple words, such as expletives, repetitevly. They are marked by a severe impairment of both understanding and expression of language. |
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