Feeling Too Much or Too Little: Alexithymia Moderates How Self-Reported Physiological Hyperarousal Shapes Risky Decisions

Background: Embodied cognition frameworks propose that physiological states shape decision-making, yet the contribution of sustained threat-related hyperarousal and individual differences in interoceptive integration remains poorly understood. This study examined whether self-reported physiological hyperarousal predicted Prospect Theory decision parameters: loss aversion, value sensitivity, and choice consistency; and whether alexithymia moderated these associations. Methods: Sixty-eight healthy young adults (M age = 18.94, SD = 1.46; 85% women) completed the DASS-21 anxiety subscale as a meas

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