After
Greyson's 50-year synthesis of NDE research. Argues the evidence cannot be explained by current neuroscience.
BG
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Researcher profile
Bruce Greyson
Psychiatrist & NDE Researcher · University of Virginia
Created the Greyson NDE Scale — the most widely used standardized instrument for measuring NDE intensity across five decades of research.
At a glance
Area of work
Created the Greyson NDE Scale — the most widely used standardized instrument for measuring NDE intensity across five decades of research.
Methods
Validated psychometric scale · Long-term follow-up · Comparison with non-NDE cardiac patients
Limits and debate
After-effects could reflect psychological response to near-death crisis rather than a consciousness-independent event.
This summarizes the researcher's work. It is not a finding that any theory of consciousness or survival has been proven.
Overview
Greyson developed the 16-item NDE Scale in 1983 and has used it across thousands of cases. He has studied after-effects systematically — including reduced fear of death, increased altruism, and psychic claims — finding consistent long-term personality changes that differ markedly from those following standard cardiac events.
Books by this researcher
Selected sources and publications
Use these sources to check background, methods, and publication details. Some older works have no verified online destination.
After: A Doctor Explores What Near-Death Experiences Reveal about Life and Beyond
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The near-death experience scale: Construction, reliability, and validity
The Incidence of Near-Death Experiences
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Researcher and institution links
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