Cardiac responses: stability of principal components and individual differences.
D000222:Adaptation, Physiological; D000293:Adolescent; D000328:Adult; D000704:Analysis of Variance; D001341:Autonomic Nervous System / Q000502:physiology*; D004193:Discrimination Learning; D004597:Electroshock; D005260:Female; D006801:Humans; D008027:Light; D008297:Male; D011674:Pulse