Physiological, behavioral, and subjective indices of habituation to psychological stress

Abstract A habituation procedure was used to manipulate activation level in 15 subjects by exposing them repeatedly to a perceptual-conflict test. Performance in the test, subjective reactions, skin conductance, and catecholamine excretion were measured. The general characteristic of the data obtained was a progressive decrease in physiological and subjective indices of activation as performance improved. Special attention was paid to quantitative relations between the different variables in the course of habituation.

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