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27 Cards in this Set
- Front
- Back
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What are primary fissures used for?
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anatomically divide the cerebrum into functional areas.
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List the Primary Fissures
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Longitudinal fissures
LAteral fissures (Sylvian Fissures) Transverse fissure Cantral sulcus Parieto-occipital sulcus/fissure |
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What is the function of longitudinal fissure?
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separates left and right cerebral hemispheres.
The falx cerebri, a dural septum, lies in this fissure |
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What is the function of the lateral fissure (Sylvian fissure)?
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separates temporal lobe from frontal and parietal lobe
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What is the function of the transverse fissure?
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between cerebrum and cerebellum. A dural septum, the tentorium, lies here
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What is the function of the Central sulcus (fissure of Rolando)?
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separates frontal and parietal lobes, specifically: precentral and postcentral gyri
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What is the function of the parieto-occipital sulcus/fissure?
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divide the parietal and occipital lobes on the medial surface of the hemisphere.
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What is the preoccipital (parieto-occipital) notch?
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An imaginary line on the lateral surface of the hemisphere from the upper end of the Parietal occipital sulcus/fissure to a small depression. (defines the border laterally)
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What are lobes?
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anatomical divions of the cerebrum that are functionally distinct
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List hte lobes of the brain
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Front lobes
Parietal Lobes Occipital lobes Temporal lobes Other lobe designations: Insular lobe Limbic lobe |
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What is the function of frontal lobe?
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Motor and cognitive functions
* Primary motor cortex is located here |
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Where is the frontal lobe located?
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front of the brain, anterior to central sulcus, above lateral fissure
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Where is the function of Parietal lobes?
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sensory- associative function. (includes primary sensory cortex)
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Where is the parietal lobe located?
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behind the central sulcus, above the lateral fissure, and in front of the occipital lobe
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What is the function of the occipital lobe?
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visual and visual association function
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Where is the occipital lobe located?
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back of the cerebrum, behind parieto-occipital fissure
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What is the function of the temporal lobes?
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integrative sensory, some function as memory, audition, and olfaction
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Where is the temporal lobe located?
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inferior to lateral fissure, rostral to occipital lobe
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What is the function of insular lobe?
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mixed function, sensory and motor
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Where is the insular lobe located?
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triangular shaped, invaginated cortical area hidden in the depths of the lateral fissure
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What is the function of the limbic lobe?
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emtion. Primary processory of MEMORY.
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Where is the limbic lobe located?
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a synthetic lobe on the medial aspect of the hemisphere which encircles corpus callosum and medial part of the temporal lobe.
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List the primary fissures of the brain
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longtudinal
transverse lateral central parieto-occipital fissures |
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List the primary brain lobes
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frontal
parietal temporal occipital |
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List the two additional lobes of the brain
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limbic
insular |
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Which of the following landmarks separates the cerebral hemispheres?
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longitudinal fissure
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Visual function is primarily associated with which of the following?
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Occipital lobe
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