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Study suggests deceased people may be aware they’re dead
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Study suggests deceased people may be aware they’re dead

Study suggests deceased people may be aware they’re dead
Photo Credit: BSIP/UIG via Getty Images
Photo Essay From Hospital. Grenoble University Hospital Michallon Hospital Department Of Neurology Unit 'Movement Disorder'. Mri Of A 30 Year Old Patient Suffering From Dystonia, Treated By A High Frequency Deep Brain Stimulation By Implantation Of Electrodes At The Level Of The Internal Paladium. These Electrodes Are Linked To A Neurostimulator, Box Implanted Under The Clavicle. (Photo By BSIP/UIG Via Getty Images)

Study suggests deceased people may be aware they’re dead

Scientists may be a step closer to solving the mystery surrounding death and what happens next. New research finds a person’s brain is still active after the heart stops beating, so many people actually may be aware that they have died, according to a new report.

>> Read more trending news

Researchers from New York University’s Langone School of Medicine are currently conducting a study to explore how the brain functions after death. 

To do so, they examined individuals who suffered cardiac arrest, but were later revived. The scientists noted that death was defined by when the heart stops and blood stops flowing to the brain.

During the evaluation, many patients were able to recall full conversations and visuals, and in some cases, participants even reported hearing they had been pronounced dead. 

"They'll describe watching doctors and nurses working; they'll describe having awareness of full conversations, of visual things that were going on, that would otherwise not be known to them," lead author Sam Parnia told Live Science.

>> Related: No cure, yet, but scientists may have found the cause of dyslexia

Scientists confirmed the patients’ stories with doctors and nurses present at the time of death, and were stunned to hear what the subjects remembered.

Why is there still brain activity after death?

Brain death is a process. It takes up to 20 seconds before brain waves are no longer detectable. Once they aren’t, a set of cellular processes take place that eventually result in brain death. And this could occur hours after the heart has stopped, Parnia said. 

"If you manage to restart the heart, which is what CPR attempts to do, you'll gradually start to get the brain functioning again. The longer you're doing CPR, those brain cell death pathways are still happening — they're just happening at a slightly slower rate," he said.

The scientists are now expanding their ongoing experiment, which will be the largest of its kind, to investigate the occurrences of consciousness after death and how it may affect the rest of a person’s life if they are revived.

>> Related: After near-death experience, Atlanta teen pursues songwriting dreams

"In the same way that a group of researchers might be studying the qualitative nature of the human experience of 'love.'” Parnia said. 

“For instance, we're trying to understand the exact features that people experience when they go through death, because we understand that this is going to reflect the universal experience we're all going to have when we die."

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