Yes, it is true that in some cases of brain damage, the function of the damaged area will be taken over by another area not typically associated with that function.
Brain damage is an injury or deterioration of the brain's cells and tissues. Depending on the location of the injury, the underlying cause, and the forms of treatment and intervention used to address it, it may range from mild to severe and manifest itself in the brain.
Speaking, personality, emotions, and judgment all come from the front of the brain (under the forehead). Impulsivity, personality problems, and trouble focusing can result from injury to this region of the brain.
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