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15 Cards in this Set
- Front
- Back
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What are the 4 lobes of the brain?
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Frontal, Temporal, Parietal, Occipital
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______ are crevices/infolds of the brain and are also known as fissures.
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Sulci
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______ are bumps or ridges between sulci.
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Gyri
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What fissure separates the two hemispheres?
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Longitudinal fissure
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What is the main pathway between the two hemispheres?
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corpus callosum
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What are the 4 divisions of the corpus callosum, anterior to posterior?
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rostrum, genu, body, splenium
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______ means "girdle" or "belt"
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cingulum
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The _____ (which means "little tongue") is the portion of the medical occipital lobe below the calcarine fissure.
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lingula
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Sensory and motor pathways are ______ and ______ organized in the form of a _______ ("little man"). Retinal areas are mapped onto the cortex in a ______ manner. Adjacent areas of the cochlea sensing different frequencies have a _____ representation.
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topographically, somatotopically, homunculus, retinotopic, tonotopic
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Primary visual cortex represents visual inputs from the ____lateral/contralateral___ side of the body.
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contralateral
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Primary motor and somatosensory cortex are ___lateral/contralateral___ to the body.
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contralateral
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Auditory cortex is ____lateral/contralateral/both.
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both
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The neocortex has how many cells layers?
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six
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Match cell layers I - VI with the correct functions A-E). A=dendrites and axons, B=receives input from thalamus, C=cortical-cortical connections, D=sends outputs to thalamus, E=sends outputs to subortical structures other than thalamus
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I-A, II-C, III-C, IV-B, V-E, VI-D
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True or False: the thickness of cell layers is fairly equivalent across each layer?
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False. The relative thickness varies according to function of that area of the cortex.
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