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Near-Death Experiences: A Neurophysiological Explanatory Model

Description: Abstract: Prior hypotheses as to the etiology of near-death experiences (NDEs) have been limited to psychiatric explanations or brief discussions of endorphins as causative agents. We present a neurophysiological explanation for NDEs based on their similarities with lysergic acid-, ketamine-, and hypercampnia-induced hallucinations. We believe the core NDE is genetically imprinted and triggered by serotonergic mechanisms.
Date: Autumn 1989
Creator: Morse, Melvin L.; Venecia, David, Jr. & Milstein, Jerrold
Partner: UNT Libraries

Comments on "A Neurobiological Model for Near-Death Experiences"

Description: Article presenting commentary on a neurobiological model proposed by Juan C. Saavedra-Aguilar and Juan S. Gómez-Jeria, which discusses the clinical similarities between temporal lobe seizures and near-death experiences (NDEs). Dr. Morse presents notes regarding his own research with colleagues based on similarities with various neurotransmitters.
Date: Summer 1989
Creator: Morse, Melvin L.
Partner: UNT Libraries

Commentary on Jansen's Paper

Description: Abstract: Karl Jansen raises a fundamental and exciting question: Is humankind's consciousness the result of neuronal function, or are there extracerebral aspects as well? While his neurotransmitter model of near-death experiences (NDEs) is well described, I find his supporting evidence weak. Methodological differences between studies of ketamine hallucinations and near-death experiences (NDEs) raise doubts about how similar those experiences are phenomenologically. While Jansen's model has electrifying implications, the data required to support his conclusions do not yet exist.
Date: Autumn 1997
Creator: Morse, Melvin L.
Partner: UNT Libraries