Dictionary of Cancer Terms
View in Spanish: Hemisferio cerebral
Cerebral hemisphere (seh-REE-bral HEM-is-feer)
One half of the cerebrum, the part of the brain that controls muscle functions and also controls speech, thought, emotions, reading, writing, and learning. The right hemisphere controls the muscles on the left side of the body, and the left hemisphere controls the muscles on the right side of the body.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.