Preparing the body for psilocybin therapy: receptive and generative interoception in cancer patients
5 affiliations
- 1Department of Medicine, University of Washington
- 2Fred Hutch Cancer Center
- 3Department of Biobehavioral Nursing and Health Informatics, University of Washington
- 4Orion Center for Integrative Medicine
- 5Dawn Collective
Abstract
Cancer patients arrive for psilocybin therapy with bodies altered by illness and treatment — bodies that they have learned to brace against, dissociate from, or scan for threat. Research on psilocybin-assisted therapy for cancer-related depression and anxiety consistently identifies the quality of the acute subjective experience — reflected in constructs such as acceptance, surrender, boundlessness, and emotional breakthrough — as a key predictor of therapeutic benefit. Yet most preparation protocols focus on cognitive intention-setting and basic mindfulness while neglecting to address the body directly. We propose that anxiety and depression in this setting may involve a somatic substrate that has not been adequately specified. We distinguish two capacities to ‘feel into the body’ relevant to psychedelic therapy: interoception as perception (the perceptual access to bottom-up bodily signal) and interoceptive engagement (the broader capacity that links bodily perception to posture, breath, structural intent, and affective stance). We describe a six-category phenomenological taxonomy of somatic experiences in psilocybin therapy (exteroceptive, deep somatic, visceral, vestibular, nociceptive, emergent). We also map receptive practices, designed to improve interoception as perception, and generative practices, designed to improve interoceptive engagement. The framework is grounded in current predictive-coding accounts of interoception, but does not depend on any single neuroscientific model. An ongoing Phase 2 trial of group retreat psilocybin therapy for metastatic cancer patients will provide an initial test of our hypothesis that interoceptive training may influence therapeutic outcomes in psilocybin therapy for patients with cancer.
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BibTeX
@article{back2026preparing,
title = {{Preparing the body for psilocybin therapy: receptive and generative interoception in cancer patients}},
author = {Anthony L. Back and Cynthia J. Price and Bonnie A. McGregor and Andrew Markell},
journal = {Frontiers in Psychiatry},
year = {2026},
month = oct,
doi = {10.3389/fpsyt.2026.1890966},
url = {https://www.frontiersin.org/articles/10.3389/fpsyt.2026.1890966/full},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Preparing the body for psilocybin therapy: receptive and generative interoception in cancer patients
AU - Anthony L. Back
AU - Cynthia J. Price
AU - Bonnie A. McGregor
AU - Andrew Markell
PY - 2026
DA - 2026/10/08
JO - Frontiers in Psychiatry
DO - 10.3389/fpsyt.2026.1890966
UR - https://www.frontiersin.org/articles/10.3389/fpsyt.2026.1890966/full
AB - Cancer patients arrive for psilocybin therapy with bodies altered by illness and treatment — bodies that they have learned to brace against, dissociate from, or scan for threat. Research on psilocybin-assisted therapy for cancer-related depression and anxiety consistently identifies the quality of the acute subjective experience — reflected in constructs such as acceptance, surrender, boundlessness, and emotional breakthrough — as a key predictor of therapeutic benefit. Yet most preparation protocols focus on cognitive intention-setting and basic mindfulness while neglecting to address the body directly. We propose that anxiety and depression in this setting may involve a somatic substrate that has not been adequately specified. We distinguish two capacities to ‘feel into the body’ relevant to psychedelic therapy: interoception as perception (the perceptual access to bottom-up bodily signal) and interoceptive engagement (the broader capacity that links bodily perception to posture, breath, structural intent, and affective stance). We describe a six-category phenomenological taxonomy of somatic experiences in psilocybin therapy (exteroceptive, deep somatic, visceral, vestibular, nociceptive, emergent). We also map receptive practices, designed to improve interoception as perception, and generative practices, designed to improve interoceptive engagement. The framework is grounded in current predictive-coding accounts of interoception, but does not depend on any single neuroscientific model. An ongoing Phase 2 trial of group retreat psilocybin therapy for metastatic cancer patients will provide an initial test of our hypothesis that interoceptive training may influence therapeutic outcomes in psilocybin therapy for patients with cancer.
SN - 1664-0640
ER -