The human nervous system is broken down into two major divisions, the central nervous
system and the peripheral nervous system. The central nervous system consists of the
brain and spinal cord. The brain serves as regulatory center through which the activities
of the whole body are integrated and controlled. The brain receives sensory impulses that
provide information about the body’s internal and external state. In response the brain
sends out messages to enable the appropriate response. (Gerrig 216)
The brain is also a center of sensations.
• The brain interprets how perceptions of the environment are received from sensory organs and generates sensations such sight, hearing, smell, taste, and touch.
• The brain is the seed of consciousness. That is the state of awareness of oneself and one’s surroundings.
• The brain is also the source of voluntary acts.
• The brain is the seat of the emotions. It is the brain that decides whether we feel happiness, sa
voluntary and involuntary motor activities on the basis of sensory information and