Benjamin C Ruisch, Mariana Von Mohr, Marnix Naber, Manos Tsakiris, Russell H Fazio, Daan T Scheepers
The stark divide between the political right and left is rooted in conflicting beliefs, values, and personality-and, recent research suggests, perhaps even lower-level physiological differences between individuals. In this registered report, we investigated a novel domain of ideological differences in physiological processes: interoceptive sensitivity-that is, a person's attunement to their own internal bodily states and signals (e.g., physiological arousal, pain, and respiration). We conducted two studies testing the hypothesis that greater interoceptive sensitivity would be associated with greater conservatism: one laboratory study in the Netherlands using a physiological heartbeat detection task and one large-scale online study in the United States employing an innovative webcam-based measure of interoceptive sensitivity...
March 2023: Politics and the Life Sciences: the Journal of the Association for Politics and the Life Sciences