Figure 8 - uploaded by Umit Sayin
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Chladni figures for a square steel plate (top) and a circular plate (bottom) demonstrate the variety of standing wave patterns generated in simple resonating systems. Archetypal forms generated in both rectangular and circular plates are isomorphic of flicker phosphenes seen at various frequencies of light pulse stimulation, and have been reproduced in textile patterns, ceramics, and sacred mandalas since roughly 10,000 B.C. Kent JL. Psychedelic Information Theory: Shamanism in the Age of Reason. Seattle: PIT Press, 2010.
Source publication
Psychoactive plants have been consumed by many cultures, cults and groups during religious rituals and ceremonies for centuries and they have been influential on the eruption of many images, secret and religious symbols, esoteric geometrical shapes, archetypes, religious figures, and philosophy of religions since the dawn of Homo sapiens. Some of t...
Contexts in source publication
Context 1
... of the most striking concerns is that these ancient drawings in different cultures that had no connections with each other have some common geometrical shapes, which we now call entoptic images or phosphenes (See Figures-2, 8, 10). It was also an interesting finding that perception of many different entopic images occurs during the effects of many mind altering drugs and the administration of various PSC-plant extracts (Kent, 2010;Nichols, 2004;Ruck, 2006Ruck, , 2009Ruck, , 2013Sayin, 2012aSayin, , 2014). ...
Context 2
... phosphenes will have slow lateral drift at lower frequencies; a rota- tional drift at medium frequencies; and will maintain stability or produce fast lat- eral drift at higher frequencies. These phase-related transitions in standing wave shape are also seen in Chladni patterns created in vibrating plates (See, Figure 8). Presumably any technology which uses pulsating frequencies to produce phos- phenes, such as trans-cranial magnetic stimulation (TMS), may also use pulses corresponding to the frequency range of human temporal aliasing to produce sub- stantially stabilized phosphene forms (Bokkon, 2008;Kent, 2010). ...
Context 3
... of our sensory and information input is visu- al and geometrical shapes, that we draw on the walls of the caves. We have some concepts, and we can add a group of con- cepts together, as the conceptualization of simple sentences; but we do not have numbers, syntax, grammar and abstrac- tion of sentence making yet (See Figures, 18, 19)! We put 3-5 concepts together to express ourselves in primitive sentences which can mean many things at the same time and we sometimes draw those sym- bolic shapes on the walls of the caves where we live. ...
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