Some individual differences in physiological reactivity to stress.

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Abstract
Patients with duodenal ulcer, essential hypertension and neuromuscular tension were given Cold Pressor and Failure stress tests, heart rate, skin conductance, salivary secretion and finger tremor being recorded. The Cold test and Failure test both elicited significant increases in skin conductance and finger tremor; the Cold test also increased salivary output, and the Failure test increased heart rate. The ulcer group had higher initial skin conductance and salivary output than the other groups. No differentiation between groups as a result of stress was secured. Other correlations with Taylor Scale and with MMPI subscales are reported.