The human brain, as the seat of mental life—from the most complicated intellectual processes down to routine and unconscious bodily control—is necessarily enormously complex. The largest part ...

When the cerebrum is divided surgically, it is as if the cranium contained two separate spheres of consciousness The human brain is actually two brains each capable of advanced mental functions.

Cerebral hemispheres The cerebrum's outer layer ... conscious thought and high-level functions, such as language and verbal memory. Cerebellum Controls balance, co-ordination of movement and ...