What is it about?

What happens when the sense of “self” becomes quieter—and the feeling of connection to the world grows stronger? Some people throughout human history have described such moments as enlightenment, unity, or a sense that the boundary between “me” and the world has dissolved—what researchers often call self-transcendence or nondual awareness. In this study, we explored two very different ways people arrive at these experiences: through mindfulness practices like meditation, and through psychedelic experiences. Drawing on data from over 1,100 people around the world, we found that both pathways are linked to these profound states—but they appear to operate through different psychological processes. Psychedelic experiences are more strongly associated with “ego dissolution,” a temporary loss of the usual sense of self. Mindfulness, in contrast, is more closely related to a gradual deepening of connection—to other people, to nature, and to the present moment. Interestingly, those who had experience with both reported the strongest sense of unity. This suggests that sudden, powerful shifts in self-experience and slower, more integrative changes may work best together—offering two complementary routes toward the same fundamental human capacity: feeling less separate and more connected.

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Why is it important?

Interest in mindfulness and psychedelics is rapidly growing across psychology, neuroscience, and mental health. At the same time, there is increasing attention to experiences often described as self-transcendence or nondual awareness—states in which the usual boundaries between self and world become less rigid. However, these phenomena are still not well understood, and different approaches are often studied in isolation. Our study contributes to this area by showing that similar self-transcendent experiences may arise through distinct but complementary psychological pathways. Specifically, we highlight the roles of ego dissolution (a reduction in self-boundaries) and relational expansion (a deepening of connection) as two key processes linked to nondual awareness. This provides a more differentiated framework for understanding how profound shifts in self-experience can occur. This distinction is particularly relevant in the context of current developments in mental health, including mindfulness-based interventions and psychedelic-assisted therapies. Rather than treating these approaches as interchangeable, our findings suggest they may offer different but synergistic routes to self-transcendence. A clearer understanding of these pathways may help inform more targeted, safe, and integrative approaches to psychological well-being. More broadly, this work contributes to an emerging effort to study transformative human experiences with greater conceptual precision—bridging research on consciousness, clinical practice, and questions of meaning and connection.

Perspectives

For me, this study is part of a broader attempt to bring experiences traditionally described in spiritual or philosophical terms into a more psychologically grounded framework—without losing their depth or complexity. Concepts like “ego dissolution” or “nondual awareness” can sound abstract or elusive, but our findings suggest that they may reflect recognizable patterns in how people describe shifts in their sense of self and connection to the world. What I find particularly compelling is that there may not be a single path to these states. Instead, we see at least two: one that seems to involve a loosening of the sense of self, and another that involves a gradual expansion of connection—to others, to nature, and to experience itself. Personally, I think this distinction helps make sense of why different practices—like meditation or psychedelic experiences—can feel so different, yet sometimes lead to a similar sense of unity. This feels especially relevant in clinical contexts. In the emerging field of psychedelic-assisted therapy (PAT), intense experiences of ego dissolution can be powerful, but also difficult to integrate. From this perspective, mindfulness practice may offer a kind of psychological support—helping people stay grounded and make sense of these experiences over time, rather than being overwhelmed by them. More broadly, I see this line of work as part of a shift in psychology—from focusing mainly on reducing symptoms to also trying to understand the conditions under which people experience meaning, connection, and transformation. Even if we are still only approximating these phenomena through self-report, mapping these patterns may be a step toward more integrative and human-centered approaches to mental health.

Pawel Holas
University of Warsaw

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This page is a summary of: Toward enlightenment: Dissolving the ego and expanding the world through mindfulness and psychedelics., Psychology of Religion and Spirituality, April 2026, American Psychological Association (APA),
DOI: 10.1037/rel0000621.
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