Accuracy of psychophysical judgments and physiological response amplitude

Robert Joseph Gatchel; Peter J. Lang

doi:10.1037/h0034312

Accuracy of psychophysical judgments and physiological response amplitude

Robert Joseph Gatchel, Peter J. Lang

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

Investigated the effects of an auditory judgment task on physiological responding in 2 experiments with 10 male undergraduates each. Ss were instructed to discriminate pure tones varying along a particular stimulus dimension. The stimulus set in Exp. I consisted of 5 tone intensities. In Exp. II, 5 tones differing in frequency were presented. In both studies, the difference between the initial acceleratory peak and the subsequent deceleration of the cardiac wave form reliably differentiated between stimuli on the basis of judgmental accuracy. Cortical slow-wave activity recorded in Exp. II covaried with accuracy of discrimination. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

Original language	English
Pages (from-to)	175-183
Number of pages	9
Journal	Journal of Experimental Psychology
Volume	98
Issue number	1
DOIs	https://doi.org/10.1037/h0034312
State	Published - 1 Apr 1973

Keywords

amplitude of stimulus-evoked heart rate wave form & accuracy of subsequent auditory judgments, college students

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10.1037/h0034312

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Accuracy of psychophysical judgments and physiological response amplitude

Abstract

Keywords

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