negatively. Recent research has been inconclusive on evidence of an association between
IU and physiological responses during instructed uncertain threat. To address this gap, we
conducted secondary analyses of IU and physiology data recorded during instructed
uncertain threat tasks from two lab sites (Wisconsin-Madison; n= 128; Yale, n= 95). No IU-
related effects were observed for orbicularis oculi activity (auditory startle-reflex). Higher IU …