Appraisal-driven somatovisceral response patterning: effects of intrinsic pleasantness and goal conduciveness.

Aue, Tatjana; Scherer, Klaus R (2008). Appraisal-driven somatovisceral response patterning: effects of intrinsic pleasantness and goal conduciveness. Biological psychology, 79(2), pp. 158-164. Elsevier 10.1016/j.biopsycho.2008.04.004

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Several componential emotion theories suggest that appraisal outcomes trigger characteristic somatovisceral changes that facilitate information processing and prepare the organism for adaptive behavior. The current study tested predictions derived from Scherer's Component Process Model. Participants viewed unpleasant and pleasant pictures (intrinsic pleasantness appraisal) and were asked to concurrently perform either an arm extension or an arm flexion, leading to an increase or a decrease in picture size. Increasing pleasant stimuli and decreasing unpleasant stimuli were considered goal conducive; decreasing pleasant stimuli and increasing unpleasant stimuli were considered goal obstructive (goal conduciveness appraisal). Both appraisals were marked by several somatovisceral changes (facial electromyogram, heart rate (HR)). As predicted, the changes induced by the two appraisals showed similar patterns. Furthermore, HR results, compared with data of earlier studies, suggest that the adaptive consequences of both appraisals may be mediated by stimulus proximity.

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