Geometry: Difference between revisions

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[[File:Switch by Sam Perkins.png|250px|thumb|right|''Switch by [https://www.flickr.com/photos/thecubb/5132746341/ Sam Perkins]'' - This image serves as an example of a single frame of typical level 4 [[psychedelic]] geometry.]]

'''Geometry''' ~~can be described as~~ the experience of a person's field of vision becoming partially or completely encompassed by fast-moving, colorful, and indescribably complex geometric patterns,<ref name="Bressloff">Bressloff, P. C., Cowan, J. D., Golubitsky, M., Thomas, P. J., & Wiener, M. C. (2002). What geometric visual hallucinations tell us about the visual cortex. Neural computation, 14(3), 473. https://doi.org/10.1162/089976602317250861</ref><ref>Muthukumaraswamy, S. D., Carhart-Harris, R. L., Moran, R. J., Brookes, M. J., Williams, T. M., Errtizoe, D., ... & Feilding, A. (2013). Broadband cortical desynchronization underlies the human psychedelic state. Journal of Neuroscience, 33(38), 15171-15183. https://doi.org/10.1523/JNEUROSCI.2063-13.2013</ref><ref>Abraham, H. D. (1983). Visual phenomenology of the LSD flashback. Arch Gen Psychiatry, 40(8), 885. https://doi.org/10.1001/archpsyc.1983.01790070074009</ref><ref>Siegel RK, Jarvik ME: Drug-induced hallucinations in animals and

'''Geometry''' is the experience of a person's field of vision becoming partially or completely encompassed by fast-moving, colorful, and indescribably complex geometric patterns,<ref name="Bressloff">Bressloff, P. C., Cowan, J. D., Golubitsky, M., Thomas, P. J., & Wiener, M. C. (2002). What geometric visual hallucinations tell us about the visual cortex. Neural computation, 14(3), 473. https://doi.org/10.1162/089976602317250861</ref><ref>Muthukumaraswamy, S. D., Carhart-Harris, R. L., Moran, R. J., Brookes, M. J., Williams, T. M., Errtizoe, D., ... & Feilding, A. (2013). Broadband cortical desynchronization underlies the human psychedelic state. Journal of Neuroscience, 33(38), 15171-15183. https://doi.org/10.1523/JNEUROSCI.2063-13.2013</ref><ref>Abraham, H. D. (1983). Visual phenomenology of the LSD flashback. Arch Gen Psychiatry, 40(8), 885. https://doi.org/10.1001/archpsyc.1983.01790070074009</ref><ref>Siegel RK, Jarvik ME: Drug-induced hallucinations in animals and

man, in Siegel RK, West LJ (eds): Hallucinations. New York, John Wiley &

Sons Inc, 1975, pp 81-162</ref><ref>Klüver, H. (1928). Mescal, and mechanisms of hallucinations. University of Chicago Press.</ref><ref name="2C-B">Papoutsis, I., Nikolaou, P., Stefanidou, M., Spiliopoulou, C., & Athanaselis, S. (2015). 25B-NBOMe and its precursor 2C-B: modern trends and hidden dangers. Forensic Toxicology, 33(1), 4. https://doi.org/10.1007/s11419-014-0242-9</ref><ref name="Juszczak2013">Juszczak, G. R., & Swiergiel, A. H. (2013). Recreational use of D-lysergamide from the seeds of Argyreia nervosa, Ipomoea tricolor, Ipomoea violacea, and Ipomoea purpurea in Poland. Journal of psychoactive drugs, 45(1), 79-93. https://doi.org/10.1080/02791072.2013.763570</ref> [[form constants]],<ref>Tyler, C. W. (1978). Some new entoptic phenomena. Vision Research, 18(12), 1638. https://doi.org/10.1016/0042-6989(78)90255-9</ref><ref>Young R. S. L.. Cole R. E.. Gamble M. and Rayner M. D. (1975) Subjective patterns elicited by light flicker. Vision Res. 15. 1289-1290. https://dx.doi.org/10.1016/0042-6989(75)90177-7</ref> shapes,<ref name="Juszczak2013"/> [[fractal]]s,<ref name="Juszczak2013"/> and colors. These geometric forms can also become structured and organized in a manner that presents genuine information to the person experiencing them far beyond the perception of meaningless, although complex, shapes, and colors. The geometric representations may feel as though they depict specific concepts and neurological processes that exist within the brain in a manner that is extremely detailed.

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 <onlyinclude>
 [[File:Switch by Sam Perkins.png|250px|thumb|right|''Switch by [https://www.flickr.com/photos/thecubb/5132746341/ Sam Perkins]'' - This image serves as an example of a single frame of typical level 4 [[psychedelic]] geometry.]]
-'''Geometry''' can be described as the experience of a person's field of vision becoming partially or completely encompassed by fast-moving, colorful, and indescribably complex geometric patterns,<ref name="Bressloff">Bressloff, P. C., Cowan, J. D., Golubitsky, M., Thomas, P. J., & Wiener, M. C. (2002). What geometric visual hallucinations tell us about the visual cortex. Neural computation, 14(3), 473. https://doi.org/10.1162/089976602317250861</ref><ref>Muthukumaraswamy, S. D., Carhart-Harris, R. L., Moran, R. J., Brookes, M. J., Williams, T. M., Errtizoe, D., ... & Feilding, A. (2013). Broadband cortical desynchronization underlies the human psychedelic state. Journal of Neuroscience, 33(38), 15171-15183. https://doi.org/10.1523/JNEUROSCI.2063-13.2013</ref><ref>Abraham, H. D. (1983). Visual phenomenology of the LSD flashback. Arch Gen Psychiatry, 40(8), 885. https://doi.org/10.1001/archpsyc.1983.01790070074009</ref><ref>Siegel RK, Jarvik ME: Drug-induced hallucinations in animals and
+'''Geometry''' is the experience of a person's field of vision becoming partially or completely encompassed by fast-moving, colorful, and indescribably complex geometric patterns,<ref name="Bressloff">Bressloff, P. C., Cowan, J. D., Golubitsky, M., Thomas, P. J., & Wiener, M. C. (2002). What geometric visual hallucinations tell us about the visual cortex. Neural computation, 14(3), 473. https://doi.org/10.1162/089976602317250861</ref><ref>Muthukumaraswamy, S. D., Carhart-Harris, R. L., Moran, R. J., Brookes, M. J., Williams, T. M., Errtizoe, D., ... & Feilding, A. (2013). Broadband cortical desynchronization underlies the human psychedelic state. Journal of Neuroscience, 33(38), 15171-15183. https://doi.org/10.1523/JNEUROSCI.2063-13.2013</ref><ref>Abraham, H. D. (1983). Visual phenomenology of the LSD flashback. Arch Gen Psychiatry, 40(8), 885. https://doi.org/10.1001/archpsyc.1983.01790070074009</ref><ref>Siegel RK, Jarvik ME: Drug-induced hallucinations in animals and
 man, in Siegel RK, West LJ (eds): Hallucinations. New York, John Wiley &
 Sons Inc, 1975, pp 81-162</ref><ref>Klüver, H. (1928). Mescal, and mechanisms of hallucinations. University of Chicago Press.</ref><ref name="2C-B">Papoutsis, I., Nikolaou, P., Stefanidou, M., Spiliopoulou, C., & Athanaselis, S. (2015). 25B-NBOMe and its precursor 2C-B: modern trends and hidden dangers. Forensic Toxicology, 33(1), 4. https://doi.org/10.1007/s11419-014-0242-9</ref><ref name="Juszczak2013">Juszczak, G. R., & Swiergiel, A. H. (2013). Recreational use of D-lysergamide from the seeds of Argyreia nervosa, Ipomoea tricolor, Ipomoea violacea, and Ipomoea purpurea in Poland. Journal of psychoactive drugs, 45(1), 79-93. https://doi.org/10.1080/02791072.2013.763570</ref> [[form constants]],<ref>Tyler, C. W. (1978). Some new entoptic phenomena. Vision Research, 18(12), 1638. https://doi.org/10.1016/0042-6989(78)90255-9</ref><ref>Young R. S. L.. Cole R. E.. Gamble M. and Rayner M. D. (1975) Subjective patterns elicited by light flicker. Vision Res. 15. 1289-1290. https://dx.doi.org/10.1016/0042-6989(75)90177-7</ref> shapes,<ref name="Juszczak2013"/> [[fractal]]s,<ref name="Juszczak2013"/> and colors. These geometric forms can also become structured and organized in a manner that presents genuine information to the person experiencing them far beyond the perception of meaningless, although complex, shapes, and colors. The geometric representations may feel as though they depict specific concepts and neurological processes that exist within the brain in a manner that is extremely detailed.