What if flow, insight, and mystical experience are different scales of the same underlying process? In this standalone Lectern episode, John Vervaeke speaks with Hüseyin and Daniel about their recently published paper on the cognitive continuum: a framework that moves from fluency to insight, flow, mystical experience, and transformation. The discussion develops Vervaeke's earlier work on relevance realization by bringing it into dialogue with the enactive approach, complex dynamic systems theory, and contemporary psychedelic research. The episode begins with the enactive critique of a simple subject-object split. Daniel explains why both self and world are groundless in the enactive sense: not nonexistent, but not pregiven independent substances either. Self and world arise relationally through embodied sensemaking. This matters because mystical experiences often involve a loosening or collapse of the ordinary self-world boundary. Hüseyin then walks through the paper's core argument. Fluency is reframed as a local form of attunement, not merely ease of information processing. Insight becomes a more global reorganization of the system. Flow becomes an insight cascade: a temporally extended state of metastable attunement. Mystical experience becomes the most global state on the continuum, where the deepest structures of self-world organization can be destabilized and reorganized. The conversation also makes a strong ethical point. Experiences that loosen ordinary constraints are not automatically good. Psychedelic states, mystical experiences, contemplative practices, and mindfulness can create epistemic vulnerability. Depending on context, they can become transformative, but they can also lead to derealization, depersonalization, false insight, spiritual bypassing, narcissism, or psychosis. Integration, practices, ethical frameworks, communities, and traditions matter because transformation is not produced by the state alone. Key Insights Mystical experience cannot be adequately explained by neurobiology alone. Enactivism challenges both naive realism and idealism by treating cognition as embodied, embedded, and relational. Relevance realization and sensemaking converge around a shared account of how cognition finds and enacts significance. Fluency is a domain-general feeling of attunement with the world. Insight is not only a representational shift; it can be a reorganization of the person-world system. Flow can be understood as a cascade of insights sustained through metastable attunement. Mystical experience may involve a globalized form of relevance realization, or even the release of relevance realization's ordinary grasping. Transformative experience requires more than destabilization; it requires viable reorganization. Context, set, setting, integration, ethical orientation, and community shape whether self-transcendent experiences help or harm. Scientific work on these topics needs reflexivity because research itself participates in the world it describes. Timestamps 00:00 Welcome and episode frame 02:40 Hüseyin introduces the paper 04:40 Daniel introduces mystical experience and the self-world boundary 06:00 Groundlessness in the enactive approach 07:00 Neurocentrism and why brain-only explanations are insufficient 09:50 Self, world, and enacted sensemaking 11:30 Functionality, pathology, and the stakes of self-transcendence 13:00 From flow to mystical experience 14:20 Entropic Brain, REBUS, and psychedelic research 16:40 Organizational causality and complex systems 18:50 Fluency as local attunement 20:00 Relevance realization and sensemaking 24:50 Optimal grip and opponent processing 27:10 Complexification and cycles of destabilization and reorganization 29:10 Insight as globalized fluency 34:50 Flow as an insight cascade 37:40 Metastable attunement and flexibility 40:20 Mystical experience and psychedelic neuroimaging 42:10 REBUS, ALBUS, beliefs, and context 44:20 Global relevance realization 46:00 Meta optimal grip, decentering, and pivotal mental states 48:10 Daniel on reflexivity and mystical experience 50:00 Stephen Batchelor and enlightenment as comprehensive flow 51:20 Relevance realization realizing its own irrelevance 53:40 Knowing groundlessness and nondual awareness 55:20 Effortlessness, acceptance, and letting go 56:40 William Desmond, astonishment, and inexhaustibility 59:00 Why mystical experience is not automatically transformation 01:01:00 Hans Jonas and self-transcendence in life 01:05:10 Para-self-transcendent phenomena 01:07:00 Existential sensemaking and the person 01:08:30 Sudden transformation and self-transcendent experience 01:09:20 The crucial importance of context 01:11:30 Integration, practices, and ethical frameworks 01:12:40 Epistemic vulnerability and suggestibility 01:16:10 False fluency, false insight, and spiritual bypassing 01:19:00 The forthcoming Four Ps paper 01:21:10 Daniel's closing reflection 01:23:10 Hüseyin's closing reflection on reflexive science 01:25:10 The Blind Spot, Whitehead, and final thanks Resources Hüseyin Beyköylü, John Vervaeke, and Daniel Meling, "From Flow to Mystical Experiences: Connecting Entropy and Fluency Along the Unifying Framework of Cognitive Continuum" - https://doi.org/10.1080/09515089.2025.2601717 John Vervaeke, Awakening from the Meaning Crisis John Vervaeke, Seeing God Again for the First Time Entropic Brain Hypothesis REBUS model ALBUS model Hans Jonas, The Phenomenon of Life Stephen Batchelor, Alone with Others William Desmond Willoughby Britton's work on meditation-related adverse effects Frank, Gleiser, and Thompson, The Blind Spot Alfred North Whitehead Follow John Vervaeke: Website: https://johnvervaeke.com/ YouTube: https://www.youtube.com/ @johnvervaeke/videos X: https://x.com/DrJohnVervaeke Patreon: https://www.patreon.com/johnvervaeke