A Peculiar Breathing Pattern and Consequent Blood Pressure Oscillation During Social Stress
The primary wave in blood pressure, which finds its origin in the cardiac pulse, is well known to vary in amplitude and frequency as a result of various environmental stimuli (Cacioppo and Petty 1982). Less attention has been given to the reactivity of the secondary blood pressure wave. Nor has its cause, the normal respiratory movement, been studied extensively in relation to environmental factors (Grossman 1983). Although its significance to other physiological responses has been well recognized, in experiments this has only infrequently been taken into consideration by controlling the respiratory rate (McCaul et al. 1979; Ahmed et al. 1982).
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