Form constants: Difference between revisions

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[[File:Form constant.jpg|300px|thumb|right|An example of a form constant.]]'''Form constants''' are one of several geometric patterns which are recurringly observed during hallucinations and altered states of consciousness. Form constants can be categorized into four types: lattices (including honeycombs, checkerboards, and triangles), cobwebs, tunnels, and spirals.<ref> Bressloff, Paul C.; Cowan, Jack D.; Golubitsky, Martin; Thomas, Peter J.; Weiner, Matthew C. (March 2002). "What Geometric Visual Hallucinations Tell Us About the Visual Cortex" Neural Computation (The MIT Press) 14 (3): 473–491. | http://www.mitpressjournals.org/doi/abs/10.1162/089976602317250861</ref>
[[File:Form constant.jpg|300px|thumb|right|An example of a form constant.]]'''Form constants''' are one of several geometric patterns which are recurringly observed during hallucinations and altered states of consciousness. Form constants can be categorized into four types: lattices (including honeycombs, checkerboards, and triangles), cobwebs, tunnels, and spirals.<ref> Bressloff, Paul C.; Cowan, Jack D.; Golubitsky, Martin; Thomas, Peter J.; Weiner, Matthew C. (March 2002). "What Geometric Visual Hallucinations Tell Us About the Visual Cortex" Neural Computation (The MIT Press) 14 (3): 473–491. | http://www.mitpressjournals.org/doi/abs/10.1162/089976602317250861</ref>