Brain Lie Structures

Deep within the brain, hidden from view, lie structures that are the gatekeepers between the spinal cord and the cerebral hemispheres. These structures not only determine our emotional state, they also modify our perceptions and responses depending on that state, and allow us to initiate movements that you make without thinking them. Like the lobes in the cerebral hemispheres, the structures described below come in pairs: each is duplicated in the opposite half of the brain.
The hypothalamus, about as big as a pearl, directs a multitude of important functions. It wakes you up in the morning and gets the adrenaline flowing during a test, job interview, or big project. The hypothalamus is also an important emotional center, controlling the molecules