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It is the specialization of the two hemispheres of the brain. Each half of the brain controls the opposite side of the body. Damage to the right side of the brain will affect movement of the left side of the body and the vice Versa . Certain areas of the brain affect particular behaviors. For most people the left hemisphere of the brain is a major factor in language processing, and the right hemisphere handles much of the spatial-visual information. For some left handed the relationship may be reversed but for most left handers, and for females on average there is less hemisphere specialization altogether.
Lellah answered the question on August 4, 2021 at 11:31