Stroke Localization of Function
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Aphasia is a disorder that results from damage to ? | show 🗑
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| What causes aphasia? | show 🗑
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| What types of aphasia are there? | show 🗑
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| Fluent Aphasia = ? | show 🗑
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| Non-fluent aphasia = ? | show 🗑
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| What else might you see in someone with Brocas ? | show 🗑
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| Amnesia and the hippocampus = ? | show 🗑
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| show | * lacunar stroke
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| show | * These deeper structures receive their blood flow through a unique set of arteries. Because of the characteristics of these arteries, lacunar strokes happen a little bit differently from other strokes
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| How a Lacunar Stroke Occurs ? | show 🗑
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| Symptoms of a Lacunar Stroke = ? | show 🗑
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| In a person with prolonged, untreated high blood pressure, multiple lacunar strokes can occur, and cause ? | show 🗑
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| show | * Have a way better prognosis and recovery over that of a regular large artery stroke
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| show | * Each hemifield is projected onto the nasal
hemiretina of the ipsilateral1 eye and the temporal hemiretina of the contralateral eye
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| Visual Pathway = ? | show 🗑
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| Central Projections of the retina (4 of them)? | show 🗑
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| show | * Edinger-Westphal nuclei
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| show | * Lateral geniculate nucleus in the thalamus
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| LGN layers = ? | show 🗑
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| show | * total loss of vision in the right eye; it also produces
a right afferent pupil deficit.
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| show | * loss of vision in the temporal half of both visual fields:
bitemporal hemianopsia..... * This kind of damage is most commonly caused by a tumor of the pituitary gland that compresses the chiasm
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| A lesion of the right optic tract = ? | show 🗑
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| A lesion of the right optic radiation just after the LGN = ? | show 🗑
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| show | * loss of vision in the
upper quadrant of the left hemifield
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| A lesion of the parietal portion of the right optic radiation = ? | show 🗑
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| show | * complete loss of vision in the left hemifield but
they usually spare foveal vision, probably because the cortical foveal representation is so
extensive that a single lesion is unlikely to destroy it all
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Created by:
thamrick800
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