Physiological responses to aversive and non-aversive audiovisual, auditory, and visual stimuli.

IF 2.7 3区医学 Q1 BEHAVIORAL SCIENCES Biological Psychology Pub Date : 2025-01-22 DOI:10.1016/j.biopsycho.2025.108994

Sewon Oh, Xuan Yang, William M Hayes, Ashley Anderson, Douglas H Wedell, Svetlana V Shinkareva

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Abstract

We examined differences in physiological responses to aversive and non-aversive naturalistic audiovisual stimuli and their auditory and visual components within the same experiment. We recorded five physiological measures that have been shown to be sensitive to affect: electrocardiogram, electromyography (EMG) for zygomaticus major and corrugator supercilii muscles, electrodermal activity (EDA), and skin temperature. Valence and arousal ratings confirmed that aversive stimuli were more negative in valence and higher in arousal than non-aversive stimuli. Valence also showed an emotional enhancement effect for cross-modal integration. Both heart rate deceleration and facial EMG potentiation for corrugator supercilii were larger for aversive compared to non-aversive conditions for audiovisual stimuli and their auditory components, even after controlling for arousal. Facial EMG potentiation for zygomaticus major was greater for aversive compared to non-aversive conditions for audiovisual stimuli and EDA was greater for aversive compared to non-aversive conditions for visual stimuli. Neither of these effects remained significant after controlling for arousal. These findings provide a benchmark for examining atypical sensory processing of mundane aversive stimuli for clinical populations.

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来源期刊

Biological Psychology 医学-行为科学

CiteScore

4.20

自引率

11.50%

发文量

146

审稿时长

3 months

期刊介绍： Biological Psychology publishes original scientific papers on the biological aspects of psychological states and processes. Biological aspects include electrophysiology and biochemical assessments during psychological experiments as well as biologically induced changes in psychological function. Psychological investigations based on biological theories are also of interest. All aspects of psychological functioning, including psychopathology, are germane. The Journal concentrates on work with human subjects, but may consider work with animal subjects if conceptually related to issues in human biological psychology.