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Psychedelic Information Theory

Shamanism in the Age of Reason

Search Results : Perception

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The Doors of Perception

In the first half of the book, DOORS OF perception--originally a separate volume--Huxley offers a cogent and erudite argument for the use hallucinogens (specifically, mescaline) as a means for opening up the thinking mind to new ideas and perceptions...

Why are Psychedelics Spiritual?

... is perceived as an illusion of relativity. This perception of timelessness is sometimes expressed as the realization that everything is happening simultaneously, from the beginning of time to the end of time, and that non-linear causality or revers...

Uncoiling the spiral: Maths and hallucinations

... Heinrich Klüver. Klüver's interest in visual perception had led him to experiment with peyote, that cactus made famous by Carlos Castaneda, whose psychoactive ingredient mescaline played an important role in the shamanistic rituals of many centr...

LSD Psychotherapy

... data about the nature of human consciousness, perception, and reality itself. Drawing on this work Dr. Stanislav Grof outlines a new cartography of the human mind, one which accounts for experiences such as shamanic trance, near-death experiences...

Erratic Hallucination

... [fig]3;1[/fig]The seamless nature of human perception depends on the fast updating of sensory frame information. Humans update waking frame information at roughly the beta range of consciousness, around 12-30hz, which is why animation, film, T...

Psychedelic Neuroplasticity

... In the case of hallucinogen persisting perception disorder (HPPD), the subject retains some of the visual effects of hallucinogens long after the drug should have metabolized;5 persisting reactions to neural stress imply neuroplasticity. P...

An Overview of Physical Shamanism

... frequency overlapping into multisensory frame perception with a specific ADSR (attack, decay, sustain, release) envelope. By modulating standing vocal waves the shaman can exactly match the periodic frequency of the hallucinogenic interrupt; by c...

Notes on Psychedelic ADSR Envelopes and Purity

... and intensity of a hallucinogen's effect on perception we can differentiate between psychedelic experiences which are intense, mild, jagged, smooth, fast, slow, and so on. Using ADSR begs the qustion: Is the ADSR envelope of every hallucino...

Entoptic Hallucination

... interstices of the wire-frame webs, creating the perception of bright dots or scintillating jewels where patterned lines overlap and intersect into nodes. These saturated pixel groups may correspond to actual hot-spots of neural activity in the colu...

TMS, phosphenes and visual mental imagery: A mini-review and a theoretical framework

... induces the experience of visual images during perception and mental imagery, 2) interferes with or facilitates perception and/or imagery in concurrent and dual task conditions, 3) correlates with self-reports such as vividness ratings, and 4) red...

Effects of Chemical Stimulation of Electrically-Induced Phosphenes on their Bandwidth, Shape, Number and Intensity

The perception of patterns not resulting from viewing external objects but stimulated by cranial electrodes with pulse currents within the electroencephalographic frequency range ('phosphenes') has been investigated in earlier work. The experiments d...

Altered States: The Origin of Art in Entoptic Phenomena

... that of simile (I see something like) to a perception of the experience itself as being real. While many things may contribute to altered states (psychoactive drugs, sensory deprivation, fatigue, intense concentration, migraine, hyperventi...

From drugs to deprivation: a Bayesian framework for understanding models of psychosis

... of understanding the symptoms of psychosis where perception, learning and inference are deranged. We examine the predictions of the cognitive model in light of what we understand about the neuropharmacology of psychotomimetic drugs and thereby attem...

Does time dilate during a threatening situation?

... of his Theory of General Relativity - that the perception of time is subjective. This is something we all know from experience: time flies when we are enjoying ourselves, but seems to drag on when we are doing something tedious. The subjective ...

Acute psychological and physiological effects of psilocybin in healthy humans: a double-blind, placebo-controlled dose-effect study

... 5-HT) receptors play an important role in perception, affect regulation and attention. Pharmacological challenge with the 5-HT2A agonist psilocybin (PY) is useful in studying the neurobiological basis of cognition and consciousness. Objectiv...

Nobel Prize genius Crick was high on LSD when he discovered the secret of life

... mescaline, in the short stories The Doors Of perception and Heaven And Hell became cult texts for the hippies of the Sixties and Seventies. In the late Sixties, Crick was a founder member of Soma, a legalise-cannabis group named after the drug i...

The Value of Psychedelic Information

... exploited by psychedelics. Psychedelics target perception, memory, and the complex emotions attached to symbols and concepts; the core functions humans rely on to formulate belief. Because of this exploit, the result of the psychedelic catalyst in...

Notes on Homeostatic Regulation

... top-down modulatory control of linear perception. Fasting, chanting, meditation, trance-dancing, and other non-drug visionary practices are rituals designed to destabilize top-down modulation through deprivation and repetition. Psychedeli...

Synaptic Self

Synaptic Self: How Our Brain Become Who We Are Annotation: See LeDoux's discussion of associative synaptic bonding, emotional imprinting, and memory....

The Continuous Wagon Wheel Illusion and the ‘When’ Pathway of the Right Parietal Lobe: A Repetitive Transcranial Magnetic Stimulation Study

... been taken as evidence that part of the motion perception system samples its inputs as a series of discrete snapshots –although other explanations of the phenomenon have been proposed, that rely on the spurious activation of low-level motion detec...

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