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cerebral hemisphere




One of the lateral halves of the cerebrum, the largest part of the human brain. The cerebral hemispheres contain the sites of higher thought. Due to the crossing-over of nerve fibers (see corpus callosum) from one cerebral hemisphere to the other, the right side controls most of the movements and sensation on the left side of the body, and vice versa. Damage to the cerebral hemispheres often produces personality changes.


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   • ANATOMY AND PHYSIOLOGY