Causes and Control of Aggression in Man.
Final rept. 1 Jan-31 Dec 74,
KALAMAZOO STATE HOSPITAL MICH
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Methods have been developed for the simultaneous assay of three basic and separate motoric processes in several species including monkeys and man. The basic reaction classes are 1 reactions involving hostility, fighting and aggressivity and reflecting upon central states clinically referred to as anger, 2 increased anticipatory sensory scanning and motor output involving escape and avoidant type reactions sometimes referred to as flight responses presumed to be expressions of central states of anxiety or fear, and 3 freezing and immobility involving total absence of any motor outputs or sensory scanning presumably reflecting upon states of extreme anxiety or terror. It has been established that aggression reactions occur after delivery of noxious events or termination of positive reinforcing type events, while anticipatory motor reactions occur prior to noxious events - immobility and freezing reactions occur even later and in immediate proximity to noxious events.