Research Keyword: ego dissolution inventory

Decreases in State and Trait Anxiety Post-psilocybin: A Naturalistic, Observational Study Among Retreat Attendees

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This study followed 52 people who attended psilocybin retreats in the Netherlands and measured their anxiety levels before, one day after, and one week after the experience. Participants showed significant reductions in both immediate anxiety (state anxiety) and long-term anxiety tendencies (trait anxiety) that lasted up to a week. The anxiety improvements were most strongly linked to feeling a sense of ego dissolution during the experience and to lasting changes in personality traits, particularly becoming less neurotic.

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Adaptation and latent structure of the Brazilian version of the Ego Dissolution Inventory (EDI-BR): an exploratory study

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This study adapted a psychological assessment tool called the Ego Dissolution Inventory for use in Brazil. Ego dissolution refers to the profound sense of losing one’s sense of self that people experience when using psychedelics like psilocybin mushrooms and LSD. The researchers found that the adapted Brazilian version works well and identifies three dimensions of the experience: confidence/assertiveness, ego dissolution, and ego inflation. This validated tool can now help researchers in Brazil better understand psychedelic experiences and their potential therapeutic benefits.

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