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FIGURE 9.5 Near-death vision or hallucination? Psychologist Ronald Siegel (1977) reported that 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.” 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 © (publication year) Scientific American, Inc. All rights reserved.