Why psychedelic-assisted therapy studies in eating disorders risk missing the mark on outcomes: a phenomenological psychopathology perspective

Summary

This scientific commentary examines how research on psychedelic-assisted therapy for eating disorders may be missing important aspects of how people actually experience the treatment. The authors argue that current study methods rely too heavily on questionnaires that don’t capture the full depth of what people experience during psychedelic sessions. They propose using phenomenological approaches—methods that deeply explore lived experience—to better understand which aspects of the psychedelic experience actually lead to recovery from eating disorders.

Background

Psychedelic-assisted therapy (PAT) is emerging as a therapeutic intervention for eating disorders with preliminary evidence of effectiveness. The subjective psychedelic experience is considered an important driver of positive outcomes, yet conventional study design approaches often overlook nuances of this experience.

Objective

To advance the case for phenomenological approaches to PAT research in eating disorders, examining key domains of experience that underlie both ED psychopathology and psychedelic experiences including embodiment, intersubjectivity, affectivity, temporality, spatiality, and selfhood.

Results

The paper identifies that existing quantitative psychometric measures impose pre-existing frameworks that may not fully align with lived experience of EDs, and qualitative interviews often focus on content rather than structure of experiences. Phenomenological domains relevant to EDs are inadequately assessed by current instruments.

Conclusion

Incorporating phenomenological approaches as complementary tools to PAT research may improve understanding of experiential correlates of outcomes in eating disorders and generate testable hypotheses for advancing psychedelic interventions by capturing granular shifts in structures of experience.
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