What Geometric Visual Hallucinations Tell Us about the Visual Cortex
Neural Computation March 1, 2002 Paul C. Bressloff, Jack D. Cowan, Martin Golubitsky et al. 292 citations
Many observers see geometric visual hallucinations after taking hallucinogens such as LSD, cannabis, mescaline or psilocybin; on viewing bright flickering lights; on waking up or falling asleep; in “near-death” experiences; and in many other syndromes. Klüver organized the images into four groups called form constants: (I) tunnels and funnels, (II) spirals, (III) lattices, including honeycombs...