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Psychedelic Information Theory

Shamanism in the Age of Reason

Search Results : vision

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Informal Discussion of Topics

... to permeate all sensation; touch, hearing, vision, the entire body. I began to measure the frequencies of these pulses and tingles for different hallucinogens and realized that they all fell into alpha and beta states of consciousness, between...

Reviews for Psychedelic Information Theory

... me a solid understanding of how rod and cone vision, phosphenes, the visual information processing rate, and the brain's pattern-recognition function all come together (or come apart) to modulate entoptic (pattern overlay--"Patterns... Colors......

Deconstructing the Vision

...

Wavelets for a vision

... To explain the impact of wavelets for lowlevel vision, we concentrate on three major applications: multiresolution processing, multiscale edge detection, and texture discrimination. Multiresolution algorithms modify the image resolution to p...

Wavelets, vision and the statistics of natural scenes

The processing of spatial information by the visual system shows a number of similarities to the wavelet transforms that have become popular in applied mathematics. Over the last decade, a range of studies have focused on the question of ‘why&#...

Grid illusion

... is any kind of grid that deceives a person's vision. The two most common types of grid illusions are Hermann grid illusion and the Scintillating grid illusion. The Hermann grid illusion is an optical illusion reported by Ludimar Hermann in 18...

Visible spectrum

The visible spectrum is the portion of the electromagnetic spectrum that is visible to (can be detected by) the human eye. Electromagnetic radiation in this range of wavelengths is called visible light or simply light. A typical human eye will respon...

Limits of Human Perception

... of the visual spectrum. This applies to night vision and dark-adapted vision. The dark-adapted eye utilizes the rod cells as opposed to the cone cells of daylight vision; rod cells are more photosensitive and more numerous, but they lack the colo...

Why are Psychedelics Spiritual?

... psychedelics have a powerful ability to manifest visions of disincarnate entities and spirit dimensions in a matter of seconds.3 Combining these modern studies with traditional shamanic beliefs it is impossible to dismiss the spiritual nature of psy...

Uncoiling the spiral: Maths and hallucinations

... hallucinations, and the whirly, spirally, tunnel-vision-like patterns of psychedelic imagery immediately spring to mind. But it's not just hallucinogenic drugs like LSD, cannabis or mescaline that conjure up these geometric structures. People have r...

Psychedelic Drugs Reconsidered

... dry throat, loss of motor control, blurred vision, and greatly increased heart rate and and body temperature; death from paralysis and respiratory may occur. The belladonna alkaloids are so terrifying and incapacitating - the physical effec...

LSD Psychotherapy

... and altered states of consciousness. This vision is also the foundation for Dr. Grof's revolutionary new Holotropic Breathworkâ„¢ techniques. This book is also a visual feast, with numerous color drawings and paintings created by research par...

Erratic Hallucination

... that exploit rendering ambiguities in peripheral vision can be described as erratic hallucination (Fig. 1). Parasthesia, or phantom tingling sensations due to oxygen loss or nerve trauma can also be described as erratic hallucinations. Like entopti...

Psychedelic Neuroplasticity

... a more transcendent or spiritually integrated vision of themselves. The logic follows that transformation of the inner self will then reinforce positive personality traits and drive outer behavioral changes to synchronize with inner idealization....

Altered States: The Origin of Art in Entoptic Phenomena

... 'Entoptic' is derived from the Greek for 'within vision', that is, anywhere within the optic system between and including the eye itself and the cortex where signals from the optic nerve are interpreted (Lewis-Williams and Dowson, 1988). Lewis-Willi...

The Signs of All Times: Entoptic Phenomena in Upper Palaeolithic Art

... 'Entoptic' is derived from the Greek for 'within vision', that is, anywhere within the optic system between and including the eye itself and the cortex where signals from the optic nerve are interpreted (Lewis-Williams and Dowson, 1988). Lewis-Willi...

The psychotomimetic effects of short-term sensory deprivation

... period of complete isolation from sound and vision in both highly hallucination prone and nonhallucination prone groups. Greater psychotomimetic experiences taking the form of perceptual disturbances, paranoia, and anhedonia were found across b...

The continuous Wagon Wheel Illusion is object-based

The occurrence of perceived reversed motion while observers view a periodic, continuously moving stimulus (the “continuous Wagon Wheel Illusion”) has been taken as evidence that some aspects of motion perception rely on discrete sampling ...

Modes of Psychedelic Use

... it is a tool. The psychedelic enhances shamanic vision, it aides in shamanic diagnosis, it enlivens the shaman’s theatrical performance, and allows for greater influence over the tribe at large. In short, the shamanic context is a use in whic...

Psychedelic Information Theory

... they can remember and will scrutinize each vision in pursuit of higher metaphysical truth. During this process the information generated during the psychedelic trip is encoded into personal memory by forging and testing new synaptic pathways. ...

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