Timothy Leary’s Eight-Circuit Model of Consciousness: An Overview and Critique

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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What Determines Whether Cannabis Improves or Worsens Your Mental Health?

One of the applications of medical cannabis is for the improvement of mental health. In the UK (where I’m from), you can be prescribed medical cannabis to counteract the symptoms of a range of mental health problems, including depression, anxiety, and PTSD. Private cannabis clinics are seeing a rise in the number of patients who…

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Did Aldous Huxley’s Poor Eyesight Influence The Doors of Perception?

The Doors of Perception (1954) by Aldous Huxley is probably the most well-known and influential trip report ever written. The Doors took their name from the title of the book. And many who read Huxley’s engrossing description of his mescaline experience would become inspired to embark on their own psychedelic journeys. What stands out in…

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A Case for Psychedelic Scepticism

One of the reasons I wanted to write a book on the philosophy and psychology of psychedelic experiences was to defend a sceptical attitude towards these experiences. (You can find preorder links and more information about my book here.) The book’s title, Altered Perspectives, is partly related to this motive. Just as psychedelics can alter our…

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Psychedelic Research Did Not Stop in the 60s Solely Due to Drug Prohibition

There is a common narrative in psychedelic culture that early psychedelic research – which flourished in the 50s and 60s – was abandoned in the 60s because of then US President Richard Nixon’s ‘War on Drugs’. However, while drug prohibition was certainly a contributing factor, it was not the sole reason why psychedelic research slowed…

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