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Near-death experiences a trick of the brain, researchers find

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  • medit8ionsociety
    From a study done in Scotland: Near-death experiences are not paranormal but triggered by a change in normal brain function, according to researchers.
    Message 1 of 1 , Oct 31, 2011
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      From a study done in Scotland:

      Near-death experiences are not paranormal but triggered by a change in normal brain function, according to researchers.

      Psychologists who reviewed a range of phenomena
      such as out-of-body experiences, visions of tunnels
      of light or encounters with dead relatives, say they
      are tricks of the mind rather than a glimpse of the afterlife.

      Researchers at the University of Edinburgh and
      Cambridge University say that most of the experiences
      can be explained by a reaction in the brain prompted
      by a traumatic, though sometimes harmless, event.

      Caroline Watt, of the University of Edinburgh's School
      of Philosophy, Psychology and Language Sciences, said:
      "Some of the studies we examined show that many of
      the people experiencing a near-death experience were
      not actually in danger of dying, although most thought they were.

      "The scientific evidence suggests that all aspects
      of the near-death experience have a biological basis."

      The researchers say that many common near-death
      experiences could be caused by the brain's attempt
      to make sense of unusual sensations and perceptions
      occurring during a traumatic event.

      Out-of-body experiences, for example, may happen
      when there is a breakdown in the brain's multi-sensory
      processes, and visions of tunnels and bright lights
      could stem from a breakdown in the brain's visual system
      caused by oxygen deprivation.

      The new study also points to the effects of noradrenaline,
      a hormone released by the mid-brain which, when triggered,
      may evoke positive emotions, hallucinations and other
      features of the near-death experience.

      Approximately 3% of the US population say they have had
      a near-death experience, according to a Gallup poll.

      Near-death experiences are reported across cultures
      and can be found in literature dating back to ancient Greece.

      http://news.stv.tv/scotland/276925-near-death-experiences-a-trick-of-the-brain-researchers-find/
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