Neuroanatomy - Vision & Auditory
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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| Blindness in one eye | Lesion in optic nerve
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| Loss of peripheral vision | bitemporal hemianopsia
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| Loss of peripheral vision | Lesion in optic chiasm
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| Loss of nasal visual field | nasal hemianopsia
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| Loss of nasal visual field | Lesion in lateral side of chiasm
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| Loss of R or L visual field | homonymous hemianopsia
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| Loss of R or L visual field | Lesion in optic tract or cortex
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| Loss of quadrant (both eyes) | superior quadrant anopsia
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| Loss of quadrant (both eyes) | Lesion in Meyer's loop
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| Spiral ganglion | no synapses (like dorsal root) axons create cochlear nerve
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| Cochlear Nuclei | cochlear nerve synapses, output forms lateral lemniscus
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| Trapezoid body | decussating fibers destined for lateral lemniscus
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| Inferior colliculus | termination of lateral lemniscuc, projects to medial geniculate nucleus
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| Medial geniculate nucleus | projects to auditory cortex in temporal lobe (area 41)
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| Vestibular ganglion | vestibular equivalent of spiral ganglion, synapses in vestibular nuclei
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| Vestibular nuclei | output to cerebellum; inferior cerebellar peduncle
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| Vestibular nuclei | control of eye movement: medial longitudinal fasciculus (MLF)
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| Vestibular nuclei | control of head and upper limbs: medial vestibulospinal tract
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| Vestibular nuclei | controls lower limbs: lateral vestibulospinal tract
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Created by:
JYarger
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