Watch full episodes of Gossip Girl and get the latest breaking news, exclusive videos and pictures, episode recaps and much more at TVGuide.com TV Guide Sign In / Up
Definition of CEREBRAL HEMISPHERE. : either of the two hollow convoluted lateral halves of the cerebrum â see brain illustration.
They are involved in initiating and directing responding. The cerebral hemispheres are the highest level of the Central Nervous System. They are like two mushroom caps bulging of the left and right front end of the brain stem, as shown in Figure 1 at the right.They control the activity of the lower levels, directing the overall plan and direction of behavior.hey are involved in initiating and directing responding. The cerebral hemispheres are the highest level of the Central Nervous System. They are like two mushroom caps bulging of the left and right front end of the brain stem, as shown in Figure 1 at the right.