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FIGURE 13.6 Near-death vision or hallucination? People under the influence of hallucinogenic drugs often see “a bright light in the center of the field of vision. . . . The location of this point of light create[s] a tunnel-like perspective” (Siegel, 1977). This is very similar to others’ near-death experiences.
From Hallucinations by Ronald K. Siegel, Scientific American 237, 132-139 (1977). Reproduced with permission. Copyright © 1977 (Publication Year) Scientific American, Inc. All rights reserved.