Release date: 2006-10-19
Russian scientists have recently confirmed that the experience of near-death is nothing more than an illusion created by the brain. According to a report from Pravda on the 15th, it was once believed that people who were close to death would pass through a "light tunnel" and meet angels or other heavenly figures. However, previous studies failed to provide clear explanations. Now, researchers have concluded that these visions are entirely psychological and not proof of an afterlife.
Oleg Vasilyev, a researcher at the Institute of Reproductive Research under the Russian Academy of Medical Sciences, explained that about 60% of patients in intensive care units experience what is known as "sudden death." These individuals often describe being taken through a bright passage, meeting loved ones, or even receiving a divine welcome. But according to recent findings, all of these experiences stem from physiological processes within the brain.
The first cause is hypoxia, which occurs when the brain doesn't receive enough oxygen. This can lead to hallucinations. Second, the body releases large amounts of endorphins before death, creating a sense of calmness or peace—often described as a "mysterious stillness." Endorphins are naturally produced during pain or stress. Lastly, a rare eye condition might explain the sensation of time slowing down or stretching during these moments. Dr. Vasilyev noted that dying individuals may only perceive images generated by their visual system, not actual images on the retina, and this phenomenon is linked to stress.
Interestingly, people who haven’t died—such as women during childbirth or those experiencing nightmares—can also go through similar states. Robert Baker, a psychologist at the University of Kentucky, suggested that under extreme mental or physical pressure, the brain produces chemicals that affect the nervous system, leading to self-defense mechanisms. These illusions often reflect cultural beliefs, religious ideas, or personal fears.
Scientists have even been able to replicate this "near-death" state in healthy individuals by injecting ketamine, a powerful anesthetic. This provides strong support for the psychological theory behind near-death experiences. Dr. Vasilyev concluded, "Those who return from the 'gate of death' do not find any solid evidence of an afterlife. As for the ketamine theory, it offers a plausible explanation for the sensations people describe—though it doesn't prove the existence of souls or another world."
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