For sophomore through graduate-level courses in Biological Psychology, Physiological Psychology, Biologically oriented Introductory Psychology, Psychophysiology, Neuropsychology, Psychobiology. This text emphasizes that to adequately understand, predict and control human behavior, we need to understand how the sensory, neural, and muscular systems of the body interact to generate various kinds of behavior. Cybernetics is used as the model to reverse standard modes of looking at behavior in terms of isolated systems.