According to Engmann (2008) near-death experiences of people who are clinically dead are psychopathological symptoms caused by a severe malfunction of the brain resulting from the cessation of cerebral blood circulation
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Research has shown that hypercarbia can induce NDE symptoms such as lights, visions and mystical experiences.
Professor of neurology Terence Hines (2003) claimed that near-death experiences are hallucinations caused by cerebral anoxia, drugs, or brain damage
A 2006 study by Lempert et al. induced syncopes in 42 healthy subjects using cardiovascular manipulations. They found that the subjects reported NDE experiences such as seeing lights, tunnels, meeting deceased family members and visiting other worlds
مخصوصاً این خط آخری که میگه با دستکاری قلبی عروقی تونستند توو 42 نفر آدم سالم تجربهی نزدیک به مرگ ایجاد کنند
منظور از out of body experience رو هم متوجه نشدم.