Affiliation:
1. Department of Clinical Psychology, University of Graz, Universitaetsplatz 2 , Graz 8010, Austria
Abstract
Abstract
A commonly established protocol for the administration of open-label placebos (OLPs)—placebos honestly prescribed—emphasizes the necessity of ingesting the pill for the placebo effect to manifest. The current functional magnetic resonance imaging study used a novel approach to OLP administration: the imaginary intake of an OLP pill for regulating disgust. A total of 99 females were randomly allocated to one of three groups that either swallowed a placebo pill (OLP Pill), imagined the intake of a placebo pill (Imaginary Pill) or passively viewed (PV) repulsive and neutral images. The imaginary pill reduced reported disgust more effectively than the OLP pill and was also perceived as a more plausible method to reduce emotional distress. Relative to the OLP pill, the imaginary pill lowered neural activity in a region of interest involved in disgust processing: the pallidum. No significant differences in brain activation were found when comparing the OLP pill with PV. These findings highlight that imagining the intake of an OLP emerged as a superior method for regulating feelings of disgust compared to the actual ingestion of a placebo pill. The study’s innovative approach sheds new light on the potential of placebo interventions in emotion regulation.
Publisher
Oxford University Press (OUP)
Cited by
1 articles.
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