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Skin-transmitted pathogens and the heebie jeebies: evidence for a subclass of disgust stimuli that evoke a qualitatively unique emotional response
Authors:Khandis R. Blake  Jennifer Yih  Kun Zhao  Billy Sung  Cindy Harmon-Jones
Affiliation:1. School of Psychology, University of New South Wales, Sydney, NSW, Australia;2. Psychological Sciences, Vanderbilt University, Nashville, TN, USA;3. School of Psychological Sciences, The University of Melbourne, Melbourne, VIC, Australia;4. School of Psychology, University of Queensland, Brisbane, QLD, Australia
Abstract:Skin-transmitted pathogens have threatened humans since ancient times. We investigated whether skin-transmitted pathogens were a subclass of disgust stimuli that evoked an emotional response that was related to, but distinct from, disgust and fear. We labelled this response “the heebie jeebies”. In Study 1, coding of 76 participants’ experiences of disgust, fear, and the heebie jeebies showed that the heebie jeebies was elicited by unique stimuli which produced skin-crawling sensations and an urge to protect the skin. In Experiment 2,350 participants’ responses to skin-transmitted pathogen, fear-inducing, and disgust-inducing vignettes showed that the vignettes elicited sensations and urges which loaded onto heebie jeebies, fear, and disgust factors, respectively. Experiment 3 largely replicated findings from Experiment 2 using video stimuli (178 participants). Results are consistent with the notion that skin-transmitted pathogens are a subclass of disgust stimuli which motivate behaviours that are functionally consistent with disgust yet qualitatively distinct.
Keywords:Disgust  fear  emotion  insects  skin-transmitted pathogens
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