NAIJ.com came across a report shared by a scientist who claims that the human mind still works even after a person has been declared dead by doctors.
According to Daily Mail UK, Dr Sam Parnia, a scientist, has revealed details of his research which claims that human beings remain conscious even after they have been confirmed dead by doctors.
Even though near-death experience stories like 'seeing light at the end of a dark tunnel' or appearing to 'float above their body as doctors battle to save their lives' have been reported by people who survived, research shows that people might actually be aware of their own death.
A team from the New York University Langone school of Medicine, conducted a similar experience through twin studies in the US and Europe, using people who have suffered cardiac arrest and 'came back to life', as case studies.
Dr Parnia spoke to Live Science saying:
"They’ll describe watching doctors and nurses working and they’ll describe having awareness of full conversations, of visual things that were going on, that would otherwise not be known to them."
He mentioned how survivor's recollections were verified by medical and nursing staff, who had reported that some patients who were confirmed dead remembered details of what the medical team were saying while they were unconscious.
Dr Parnia who confirmed that death of brain cells can take hours, explained the process, saying:
"Technically, that’s how you get the time of death – it’s all based on the moment when the heart stops. Once that happens, blood no longer circulates to the brain, which means brain function halts almost instantaneously. You lose all your brain stem reflexes – your gag reflex, your pupil reflex, all that is gone. The brain’s cerebral cortex – which is responsible for thinking and processing information from the five senses – also instantly flatlines. This means that within 2 to 20 seconds, no brainwaves will be detected on an electronic monitor.
Dr Parnia also explained that no detection of brain waves spark a chain reaction of 'cellular processes that will result in the death of brain cells. However, this can take hours after the heart has stopped.'
He also maintained that brain cell death was still happening even though at a slower rate, and performing CPR can still send some blood to the brain even if the patient doesn't end up being revived.
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