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39 Cards in this Set
- Front
- Back
Basal ganglia includes:
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caudate, putamen, globus pallidus, amygdala, claustrum
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lesion of basal ganglia leads to ___ disorder
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movement disorder
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Layer I of the neocortex contains mostly ___
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neuropil
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Stellate cells can be found in Layer __
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II, the Ext. Granular layer
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Corticocortical fibers terminate in the ___ layer.
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External granular layer; II
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corticocortical fibers originate in the ____
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Ext. Pyramidal layer; III
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The association and commissural fibers that originate in the Ext. pyramidal layer
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corticocortical fibers
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Thalamocortical fibers terminate in layer ___
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IV, the Internal granular layer
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____ terminate in Layer IV, the Int. granular layer
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thalamocortical fibers
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In cortex where layer IV is very thin, is called ___
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agranular
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Layer of neocortex where subcortical efferents originate.
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Layer V, the Internal Pyramidal layer
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Corticothalamic fibers originate in what layer of neocortex?
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Layer VI, the Multiform layer.
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What fibers originate in the Multiform layer of neocortex?
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corticothalamic fibers
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Pre-central gyrus is granular or agranular cortex?
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agranular (doesn't need thalamocortical fibers)
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Most primary sensory cortices are ___ cortex.
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granular
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The areas between primary cortices
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association cortices
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Fibers that project from cortex to a distant nucleus
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Projection fibers.
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Projection fibers arise from layers __ and __ of the neocortex.
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subcorticals from V, corticothalamics from VI
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Association fibers involve how many hemispheres?
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One. Stay in same hemisphere.
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Commissural fibers, such as corpus callossum, arise from what layer of neocortex?
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layer III
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Internal capsule fans out rostrally to be the __
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corona radiata
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Internal capsule constricts caudally to be the ___
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cerebral peduncles
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Superior longitudinal fasiculus runs from the __ lobe to __ occipital lobe.
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frontal to occipital
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___ branches off the superior longitudinal fasiculus, curves back around the lateral fissure
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arcuate fasiculus
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Inferior longitudinal fasiculus runs from the __ lobe to the ___ lobe.
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temporal to occipital.
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Connects orbital frontal gyrus with temporal lobe
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uncinate fasiculus
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The association fibers that run throughout the cingulate gyrus, connecting hippocampus to the gyrus, also to septal nuclei.
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Cingulum
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Infarct of ___ can damage the arcuate fasiculus
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middle cerebral artery
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___ of the corpus callosum connects the occipital lobe to occipital lobe
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splenium
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Commissure that connects the inferior and middle temporal gyri to the other hemisphere
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Anterior commissure
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Commissure that connects pre-tectal nuclei
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posterior commissure
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Commissure that connects the crura of the fornix
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hippocampal commissure
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hippocampal connects the ___
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crura of the fornix
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Anterior limb of the Internal capsule contains ___ and ___
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anterior thalamic radiations, frontopontine fibers
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Genu of the corpus callosum contains ___
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corticobulbar fibers
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Posterior limb of the corpus callosum contains __
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corticospinal, corticofugal, corticopontine, superior thalamic radiations
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Sublenticular part of corpus callosum contains ____
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auditory radiation (inferior thalamic), from the MGB
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Retrolenticular part of corpus callosum contains ___
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occipital radiations (posterio thalamic) from LGB
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Required for consolidation of short-term memory to long-term
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hippocampus
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