[Psychophysiological reactivity in relation to type A behavior]

This relationship was examined in 77 healthy men. Stress reactivity in the 26 Type A was not more increased than in the 12 Type B men for the cardiovascular variables (heart rate, pulse transit time, finger vasoconstriction and blood pressure), but for body movement, EMG, respiration frequency. Body movement and EMG were the best predictable physiological variables for the Type A behavior pattern, and this mainly in the two speech tests.