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9 Cards in this Set
- Front
- Back
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What areas of the brain are typically damaged in patients with global/mixed aphasia?
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both the anterior and posterior speech zones: Broca's area (44, 45) and Wernicke's area (22) in the Left hemisphere
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What parts of the brain are typically damaged in mixed transcortical aphasia?
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A semicircle surrounding Broca's area, extending through the parietal lobe, and around Wernicke's area, but not actually involving either B. or W.
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What is the "isolation syndrome" in mixed transcortical aphasia?
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The area of damage usually isolates the speech zones from the rest of the brain, but the two zones can still communicate with each other
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What kind of damage causes Broca's aphasia?
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Damage to areas 44 and 45 and associated areas in the L frontal lobe
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What lobe is involved in transcortical motor aphasia?
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L frontal lobe, area surrounding Broca's
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What area of the brain is damaged in Wernicke's aphasia?
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Left area 22 and associated areas in the temporal lobe
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What kind of damage causes transcortical sensory aphasia?
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A reverse C shaped band around, but not including, area 22 (Wernicke's) in the left parietal and temporal lobes
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What causes conduction aphasia?
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Damage to the insula in the left hemisphere
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What causes Anomic Aphasia?
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Damage to the posterior portions of the left temporal and parietal lobes and/or left frontal lobe
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