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  • Philosophy of Psychedelics
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    Product details:

    • Publisher OUP Oxford
    • Date of Publication 5 August 2021

    • ISBN 9780198843122
    • Binding Hardback
    • No. of pages272 pages
    • Size 241x163x19 mm
    • Weight 550 g
    • Language English
    • 126

    Categories

    Short description:

    This book is the first scholarly monograph in English devoted to the philosophical analysis of psychedelic drugs. Its central focus is the apparent conflict between the growing use of psychedelics in psychiatry and the philosophical worldview of naturalism.

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    Long description:

    Recent clinical trials show that psychedelics such as LSD and psilocybin can be given safely in controlled conditions, and can cause lasting psychological benefits with one or two administrations. Supervised psychedelic sessions can reduce symptoms of anxiety, depression, and addiction, and improve well-being in healthy volunteers, for months or even years. But these benefits seem to be mediated by "mystical" experiences of cosmic consciousness, which prompts a philosophical concern: do psychedelics cause psychological benefits by inducing false or implausible beliefs about the metaphysical nature of reality?

    This book is the first scholarly monograph in English devoted to the philosophical analysis of psychedelic drugs. Its central focus is the apparent conflict between the growing use of psychedelics in psychiatry and the philosophical worldview of naturalism.

    Within the book, Letheby integrates empirical evidence and philosophical considerations in the service of a simple conclusion: this "Comforting Delusion Objection" to psychedelic therapy fails. While exotic metaphysical ideas do sometimes come up, they are not, on closer inspection, the central driver of change in psychedelic therapy. Psychedelics lead to lasting benefits by altering the sense of self, and changing how people relate to their own minds and lives-not by changing their beliefs about the ultimate nature of reality. The upshot is that a traditional conception of psychedelics as agents of insight and spirituality can be reconciled with naturalism (the philosophical position that the natural world is all there is). Controlled psychedelic use can lead to genuine forms of knowledge gain and spiritual growth-even if no Cosmic Consciousness or transcendent divine Reality exists.

    Philosophy of Psychedelics is an indispensable guide to the literature for researchers already engaged in the field of psychedelic psychiatry, and for researchers-especially philosophers-who want to become acquainted with this increasingly topical field.

    Clearly written, with an accessible overview of a wealth of recent studies, and while it explicitly undertakes to naturalise the "mystical" elements of psychedelic usage, it is nevertheless refreshing to see the phenomenological data taken seriously. There is much thought provoking material here for those interested in taking a more conventional journey through the doors of perception.

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    Table of Contents:

    Introduction
    Introduction
    On the need for a natural philosophy of psychedelics
    Introduction
    The psychedelic renaissance
    Evidence for safety and efficacy
    An existential medicine?
    The Comforting Delusion Objection
    Naturalizing the entheogenic conception
    The phenomenology of psychedelic therapy
    Introduction
    Perception
    The sense of self
    The transformative process
    Conclusion
    The mechanisms of psychedelic therapy
    Introduction
    Neuroplasticity theories
    The Metaphysical Belief Theory
    The Metaphysical Alief Theory
    Conclusion
    The role of self-representation
    Introduction
    Psychological factors
    Neural correlates
    Neurocognitive explanation
    Conclusion
    Resetting the brain
    Introduction
    The Reset Theory
    Predictive processing
    Relaxed beliefs under psychedelics
    Resetting beliefs under psychedelics
    Unbinding the self
    Introduction
    Predictive self-binding
    Selfhood embodied and (temporally) extended
    A centre of representational gravity
    The self unbound
    Opacity and mystical epiphanies
    Psychedelic therapy: a two-factor theory
    Self and self-consciousness
    Conclusion
    Epistemology
    Introduction
    Psychopharmacology and epistemology
    Knowledge that
    Knowledge how
    Knowledge by acquaintance
    New knowledge of old facts
    Indirect epistemic benefits
    Epistemic innocence
    Spirituality
    Introduction
    Naturalizing spirituality
    Spirituality as unselfing
    Conclusion
    Testable predictions
    Future directions
    Naturalistic entheogenics

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