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Welcome to Module 1: Anatomy & Physiology of the Brain. This module will strengthen your understanding of basic neuroanatomy, neurovasculature, and functional roles of specific brain regions. Lesson 1: Introduction to the Brain. The brain is a dense organ with various functional units.
The nervous system is comprised of two major parts, or subdivisions, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord. The brain is the body's "control center". The CNS has various centers located within it that carry out the sensory, motor and integration of data.
This detailed connectivity map, which is embedded into the topographic map of the MNI brain, provides novel opportunities to analyze the outcomes of the ANT-DBS studies.
FIGURE 9.2 Nervous system. (a) The nervous system includes the central nervous system (brain and spinal cord) and the peripheral nervous system (cranial nerves and spinal nerves). (b) The nervous system receives information from sensory receptors and initiates responses through eff ector organs (muscles and glands).
CENTRAL NERVOUS SYSTEM The Central and Peripheral Nervous Systems The most basic structural subdivisions of the human nervous system are the central nervous system (CNS) and the peripheral nervous system (PNS). The cen-tral nervous system consists of the brain and spinal cord, and the peripheral nervous system consists of
The motor cortex is a thin strip of tissue running across the surface of the brain, directly in front of the somatosensory cortex (see p.12). Here is a complete map of the body: nerve cells that cause movements in different limbs (via connec-tions onto the motor neurons in the spinal cord) are topographically arranged.
this chapter we review the major anatomical components of the central nervous system and outline the organizational principles of the major functional systems. In the next chapter we shall use the somatosensory system to examine the principles underlying the neural basis of perception and movement.
