You’ve probably heard or seen in movies that when we die, life “passes in front of our eyes”. It is a moment in which we remember various happy moments that we have experienced during our life.
A new study published in the scientific journal Frontiers in Aging Neuroscience indicates that this situation may indeed be real. According to neuroscientists, the brain can remain active during and after the transition to death.
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The discovery was made by chance with an 87-year-old patient. As you developed epilepsy, researchers at the University of Tartu, Estonia, decided to monitor the electrical activity of the brain through the electroencephalogram, in order to detect seizures and be able to treat it. However, the patient eventually died, and the activity was all recorded.
“We measured 900 seconds of brain activity at the time of death and set a specific focus to look at what happened in the 30 seconds before and after the heart stopped beating.” reveals neurosurgeon Ajmal Zemmar, assistant professor at the University of Louisville, through which he participated in the study. “Just before and after the heart stopped working, we saw changes in a specific range of neural oscillations, the so-called gamma oscillations, but also in others like delta, theta, alpha and beta oscillations.”
These oscillations are linked to cognitive functions such as dreams, concentration, memory retrieval and information processing. “Through the generation of oscillations involved in memory retrieval, the brain may be reproducing a last recollection of important life events shortly before we die, similar to those reported from near-death experiences,” he says.
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