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Psychosomatic Medicine 27:212-228 (1965)
© 1965 American Psychosomatic Society

Stimulus Discrimination Among Autonomic Measures: Individual and Group Characteristics

JAMES D. BLOCK PH.D.1

1 Albert Einstein College of Medicine, Yesliva University, New York, N. Y.

On three occasions, 5 physiological measures were recorded from 16 male subjects during repeated presentations of two tones, one followed and one not followed by electric shock. For the group, it was found that the measures differed significantly in the degree of discrimination between the tones. For the individuals, there were found to exist both consistent hierarchies of degree of stimulus discrimination among the measures, and consistent hierarchies of response magnitude, the latter most markedly present after elimination of prestimulus differences among subjects utilizing the individuals' regressions. The two hierarchies were observed not to be significantly related, and it is suggested that they furnish useful independent characterization of the autonomic function of the individual.

Submitted on August 21, 1964






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Copyright © 1965 by the American Psychosomatic Society