left brain

left brain

n. 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.

left brain

n (Anatomy) a. the left hemisphere of the human brain, which is believed to control linear and analytical thinking, decision-making, and languageb. (as modifier): a left-brain activity.

left′ brain′

n. the left cerebral hemisphere, controlling activity on the right side of the body: in humans, usu. showing some degree of specialization for language and calculation. Compare right brain.

Thesaurus

Noun

1.

left brain - the cerebral hemisphere to the left of the corpus callosum that controls the right half of the bodyleft hemispherecerebral hemisphere, hemisphere - either half of the cerebrumlanguage area, language zone - a large cortical area (in the left hemisphere in most people) containing all the centers associated with language