Locus of control and vasomotor response to sensory processing.
Heart rate and forearm blood flow responses were measured during experimental tasks requiring sensory intake, sensory rejection, and a mixture of the two behaviors. Subjects were 29 college students who had been categorized using Rotter's locus of control scale. Significant increases in both cardiovascular indices were seen in all three tasks; the responses were smaller, however, during sensory intake. Internals showed a differential response of forearm blood flow. In contrast, externals showed a similar vasodiatation across all tasks. The findings indicate that some of the variability in cariovascular response to sensory processing may be explained by individual differences in personality charcteristics related to subjects' perferred level of involvement in differing sensory processing behaviors.
Williams, RB; Poon, LW; Burdette, LJ
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