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dominant hemisphere

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
hemisphere /hemi·sphere/ (hem´ĭ-sfēr) half of a spherical or roughly spherical structure or organ.
cerebellar hemisphere  either of two lobes of the cerebellum lateral to the vermis.
cerebral hemisphere  one of the paired structures forming the bulk of the human brain, which together comprise the cerebral cortex, centrum semiovale, basal ganglia, and rhinencephalon, and contain the lateral ventricles.
dominant hemisphere  that cerebral hemisphere which is more concerned than the other in the integration of sensations and the control of voluntary functions.

dominant hemisphere
n.
The cerebral hemisphere that is more involved than the other in governing certain body functions, such as controlling the arm and leg used preferentially in skilled movements.

hemisphere [hem´ĭ-sfēr]
half of a spherical or roughly spherical structure or organ.
cerebral hemisphere one of the paired structures constituting the largest part of the brain, which together comprise the extensive cerebral cortex, centrum semiovale, basal ganglia, and rhinencephalon, and contain the lateral ventricle. See also brain.
cerebellar hemisphere either of the paired portions of the cerebellum lateral to the vermis.
dominant hemisphere the cerebral hemisphere that is more concerned than the other in the integration of sensations and the control of many functions. See also laterality.

dominant hemisphere
Neurology That portion of the brain involved in guiding activities requiring manual dexterity; for those who are right-handed, the left hemisphere is dominant


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If the dominant hemisphere is involved there may be an associated speech deficit.
Surprisingly, amputee subjects M1 and S1 activation patterns of intact hand cortex matched those found in the dominant hemisphere of the control group.
 
 
 
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