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11 Cards in this Set
- Front
- Back
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Hemispatial neglect symptoms
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failure to orient to left-sided stimuli, failure to search left hemishpere, anosognosia (denial of illness), aprosodic (flat affect, impaired emotional perception), motor impersistence (can't stay on task)
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Acute vs. Chronic hemispatial neglect
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Acute: oriented toward right, immediately post-injury
Chronic: symptoms that remain after an injury has healed |
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Anosognosia
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denial of illness
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Aprosody
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flat affect, impaired emotional perception
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Motor impersistence
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can't stay on task, difficult time with rehabilitation
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Hemispatial neglect source of damage
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right hemisphere lesion, #1 cause is stroke
damage in: temporo-parietal junction (90% of cases, most commonly right MCA infarct), frontal eye fields, pulvinar (thalamus) |
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Extinction
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simultaneous stimulations in both hemispheres --> reduces to one
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Global analysis?
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right hemisphere = global analysis; therefore, neglect patients can only see local analysis
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Left and right hemisphere contribution to attention
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Left: local analysis, only allocates attention to right hemisphere
Right: global analysis, allocates attention to both hemispheres |
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Piazza del Duomo
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have all info, can't access it
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Hemianopsia
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blind to half of visual field
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