DMT micro-phenomenology

Research overview

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DMT reliably induces profound experiences of immersion in other worlds and encounters with seemingly autonomous presences, yet the lived qualities and unfolding of these experiences remain poorly understood. Using micro-phenomenological interviews with twenty-three healthy participants who received DMT during fMRI scanning, this study explores how these experiences arise and develop in awareness. Micro-phenomenological analysis reveals rich dimensions of immersive experience - from multisensory engagement to radical reconfigurations of self and world - and illuminates the varied ways presences can be seen, felt, or otherwise sensed. Rather than focusing on specific content, we follow the micro-phenomenological method to identify the structural features and temporal dynamics that characterise the rich subjective landscape of DMT experience. The findings extend beyond traditional constructs like 'ego dissolution' or 'mystical experience' to reveal how immersion and presence phenomena emerge through specific dimensions, particularly the layering of sensory effects, and subsequent layering of spatial, self-related, and social effects. This detailed phenomenological mapping advances our understanding of both DMT's effects and the architecture of conscious experience, while demonstrating the value of systematic first-person methods for studying profound alterations of consciousness. The findings invite comparative analysis with other transformations of consciousness, such as meditation and lucid dreaming, and especially with presence phenomena observed across different experiential contexts such as lab-induced presence hallucinations, and Parkinson’s disease.

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