Published Online: 30 JAN 2010
Copyright © 2010 John Wiley & Sons, Inc. All rights reserved.
Corsini Encyclopedia of Psychology
How to Cite
Freeman, C. R. 2010. Brain Stem. Corsini Encyclopedia of Psychology. 1.
- Published Online: 30 JAN 2010
The brain stem, which consists of the midbrain, pons, and medulla oblongata, connects the cerebrum above to the spinal cord below. It is a highly organized structure that, in addition to conveying ascending and descending tracts, contains the nuclei of the cranial nerves III to XII and is responsible for a number of complex functions, including control of respiratory and cardiovascular activity and regulation of the level of consciousness.