Which psychological response may be responsible for the phenomenon of the near death experience?
Answers
These researchers believe that many phenomena, associated with near-death condition, occur due to the effort of the brain to understand unusual sensations and perceptions that take place during a traumatic event. During abnormal circumstances, the body can experience a variety of changing conditions, such as temperature, pressure and other physiological factors.
Sensations and physiological factors
“Some of the results of our study showed that many of those who “witnessed” their own death, had no real danger of dying, but most believed they were dying. The scientific evidence suggests that all aspects of near-death experiences have a biological basis “, said Dr. Watt.
Feeling death
One of the most commonly reported features of the near-death experience is the feeling of having died. However, people with Cotard’s syndrome (Walking Corpses Syndrome) experience the same feeling, according to the journal, Trends in Cognitive Science. This syndrome is a rare neuropsychiatric disorder associated with the hallucinatory conviction of having died or having lost the blood or internal organs. In rare cases, it can include delusions of immortality. This syndrome has been observed after severe injuries or in patients with end-stage diseases such as typhoid fever and multiple sclerosis.
Out-of-body experience
Out-of-body experiences, when you experience the sensation of floating over your own body and can see it from above, are also referred to often by witnesses. However, an experiment conducted by scientists at the Geneva University Hospital in Switzerland showed that these kinds of experiences can be artificially reproduced by the stimulation of the right angular gyrus in the parietal lobe of the brain. This area plays a significant role in perception and awareness.
Light at the end of the tunnel
The tunnel of light, often mentioned by people who believe they came close to death, also can be reproduced artificially. Pilots, flying with acceleration, sometimes suffer from hypertensive heart attack.
This is a disorder that occurs due to the rapid increase in blood pressure, which, in turn, causes a partial loss of sight for up to 8 seconds. This literally makes a person see the light “at the end of the tunnel”. There is another assumption which explains this sensation as an optical illusion, an illusion strong enough to cause a reduction of blood and oxygen supply in the eyes.
Bliss and euphoria
These sensations can be even more easily reproduced artificially. In fact, exactly the same sensations are provoked by drugs like amphetamines and by noradrenaline, a hormone produced by the midbrain that provokes positive emotions and hallucinations that may be associated with near-death experiences.
“In combination, the scientific evidence suggests that all aspects of NDE have neurophysiological and psychological basis“, concluded the researchers.
The afterlife or physiological factors?
Do you feel as though something has been taken from you, namely the mystical qualities of the NDE? Science continues to study this phenomenon in hopes that they can conclusively prove what happens when our consciousness shifts. Do we leave our bodies? Are we just having a malfunction in the brain? There are still so many unanswered questions.
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