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15 Cards in this Set

  • Front
  • Back
What are the 4 lobes of the brain?
Frontal, Temporal, Parietal, Occipital
______ are crevices/infolds of the brain and are also known as fissures.
Sulci
______ are bumps or ridges between sulci.
Gyri
What fissure separates the two hemispheres?
Longitudinal fissure
What is the main pathway between the two hemispheres?
corpus callosum
What are the 4 divisions of the corpus callosum, anterior to posterior?
rostrum, genu, body, splenium
______ means "girdle" or "belt"
cingulum
The _____ (which means "little tongue") is the portion of the medical occipital lobe below the calcarine fissure.
lingula
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.
topographically, somatotopically, homunculus, retinotopic, tonotopic
Primary visual cortex represents visual inputs from the ____lateral/contralateral___ side of the body.
contralateral
Primary motor and somatosensory cortex are ___lateral/contralateral___ to the body.
contralateral
Auditory cortex is ____lateral/contralateral/both.
both
The neocortex has how many cells layers?
six
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
I-A, II-C, III-C, IV-B, V-E, VI-D
True or False: the thickness of cell layers is fairly equivalent across each layer?
False. The relative thickness varies according to function of that area of the cortex.