What Disgust Does and Does Not Do for Moral Cognition Jared Piazzaa
What Disgust Does and Does Not Do for Moral Cognition Jared Piazzaa, Justin F. Landyb, Alek Chakroffc Liane Youngd, Emily Wassermand a Lancaster University, Department of Psychology b University of Chicago Booth School of Business cCharlie Finance Co., San Francisco, CA dBoston College, Psychology Department 2 1. Introduction Disgust is typically characterized as a negative emotion associated with the rejection of distasteful or contaminating objects (Rozin and Fallon 1987). The physiological aspects of disgust involve nausea and loss of appetite, and the bodily expression of disgust includes behaviors (e.g., gagging, vomiting) designed to orally block or expel noxious substances (Ekman and Friesen 1971; Royzman, Leeman and Sabini 2008; Rozin, Haidt and McCauley 2008; Yoder, Widen and Russell 2016). The canonical elicitors of disgust are well documented: many people report feeling nauseous or sick at the sight or smell of oral contaminants (e.g., rotten food, bodily waste) and/or disease vectors (e.g., blood, skin maladies, sexual fluids, certain animals; Curtis, Aunger and Rabie, 2004; Haidt, McCauley and Rozin, 1994; Olatunji et al. 2007). It is uncontroversial that disgust can also be evoked in the context of a moral offense. What remains controversial is disgust’s role or relevance within a moral context. When Armin Meiwes, the Rotenburg Cannibal, was discovered to have eaten the severed penis of his voluntary victim, before killing him and consuming his flesh over the next ten months, the story of this crime undoubtedly aroused disgust (and horror) in many of us. The relevant question is not whether we felt disgust about this crime—for most of us, human penis is not on the menu, and the thought of Meiwes’ preferred cuisine is deeply distasteful.
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