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.
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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.
This article is part of the following collection of related materials.
Journal of Near-Death Studies
The Journal of Near-Death Studies is a scholarly peer-reviewed journal devoted to the field of near-death studies. It is published on a quarterly basis by the International Association for Near-Death Studies. The Journal began publication in 1982 under the name Anabiosis which was changed to its current title in 1986 with the start of Volume 6.
Quarterly journal publishing papers related to near-death experiences, including research reports; theoretical or conceptual statements; expressions of a scientific, philosophic, religious, or historical perspective on the study of near-death experiences; cross-cultural studies; individual case histories; and personal accounts of experiences or related phenomena.