Paul Fredric Brain
Relationships between aggressive behavior and the endocrine system have been studied intensively in recent years. This interest has occurred presumably because hormones are naturally occurring secretions of the bodies' endocrine or ductless glands, and are perceived as providing possibly reversible (certainly when compared to psychosurgery) therapies for some clinical conditions that include hyperaggressiveness as a symptom. Hormones are transported throughout the body by the blood stream and represent the slow and chronic component of the neuroendocrine coordinating system that regulates physiological and behavioral activities.
To provide a critical evaluation of developments within this area, bringing together material from animal and human studies, it is essential initially to clarify some terminologies. Brain (1990b), as well as others (Buss, 1971; Kutash et al., 1978; Goldstein,
Paul Fredric Brain is at the School of Biomedical Sciences, University College of Swansea, United Kingdom.
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