Thermoregulatory Consequences of Resonant Microwave Exposure.

摘要

Four experiments were conducted in which it was shown that behavioral and autonomic thermo-regulatory responses are mobilized in an orderly fashion when squirrel monkeys undergo whole-body exposure at the resonant frequency, 450 MHz. The threshold for alteration of thermo-regulatory behavior is about 3 mW/sq cm, equivalent to an SAR of nearly 2 W/kg. Behavioral responses serve to regulate the skin temperature at the normally preferred level. Because of the deep penetration of the radiation at resonance, this regulation results in a stable hyperthermic offset or bias in the deep body temperature. This situation is identical to that which occurs during exercise. Although not yet studied, we presume that the magnitude of this offset will be a direct function of the energy deposited in the body or SAR. Autonomic response of peripheral vasodilation and sweating, manifested on the skin surface. are stimulated at SARs similar to the behavioral threshold, indicating the possibility that such responses could serve as auxiliary sensory cues to behavior. Keywords: Thermoregulation; Resonant frequency; Behavior; Microwave bioeffects. (js)