The psychedelic guru Timothy Leary proposed a theory of human consciousness, known as the eight-circuit model of consciousness, in his books Neurologic (1973), Exo-Psychology (1977), The Intelligence Agents (1979), and The Game of Life (1979). This theory reflects Leary’s deep interest in mind expansion and psychedelics; the theory itself – which is presented as psychological…
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The ‘psychedelic renaissance’ is typically framed in terms of the resurgence of scientific research into the effects of psychedelics, covering aspects like neuroscience, psychology, psychotherapy, and mental health. However, in recent years, we’ve also seen increasing interest in the psychedelic experience from a philosophical perspective. The philosophy of psychedelics has a rich history. Yet there…
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I have previously written on the topic of naturalising mystical states (see here, here, and here), arguing that the phenomenological character of these experiences can fit into a naturalistic worldview, that is, the view that only the natural world exists, or the view which rejects the existence of supernatural realms, forces, laws, principles, and entities.…
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The idea that plants have consciousness, sentience, or intelligence would be unthinkable to most people. How could an organism without a nervous system or brain possess these capacities? A minority of scientists are challenging this assumption, however, leading some people to accept the possibility that the spectrum of sentience is more inclusive than previously imagined.…
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The feeling of gaining direct knowledge of something grand or important about reality is a common aspect of mystical experiences generally and psychedelic mystical states more specifically. This is known as a noetic experience, one of the four defining qualities of a mystical experience, as propounded by the American psychologist and philosopher William James in…
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