Left-brain definition

The cerebral hemisphere to the left of the corpus callosum, controlling activities on the right side of the body, and in humans, usually controlling speech and language functions.

The left cerebral hemisphere of the human brain, which includes areas associated with logical thinking, numerical calculation, and language skills: popularly regarded as the center of rational thought.

The cerebral hemisphere to the left of the corpus callosum, controlling activities on the right side of the body, and in humans, usually controlling speech and language functions.

The cerebral hemisphere located on the left side of the corpus callosum. The left brain controls activities on the right side of the body, and in humans, usually controls speech and language functions. The thought processes of logic and calculation are generally associated with the left brain.