Some questions in our existence remain unanswered. Are we alone in the universe or is there life after death are the two questions that most excite the human imagination. But before life in the afterlife, there is a precise moment of death.

In an article published in early May in neurology it was reported that before death there is a surge in brain activity. This research brings new information that has much to say about this fateful and inevitable moment for all of us.

When the lights go out and life ends

Scientists from the Department of Neurology at the University of Michigan conducted a study of what happens to the human brain at the time of death. Electroencephalograms (EEGs) of four comatose patients were analyzed before and after clinical cessation of mechanical ventilation, and it was found that the resulting global hypoxia markedly stimulated gamma activity in two patients.

This study is still incomplete, and with the few samples that researchers have, it is impossible to reach a satisfactory conclusion about life after death, or even when it all ends.

For patients in whom this peak of activity in the brain was found at the time of death, this is the result of a local connection of gamma radiation in the temporoparietal-occipital (TPO) junctions and a global connection between TPO zones and contralateral prefrontal areas. The data from this discovery is still in its infancy, but it demonstrates that the dying brain can still be active, and this makes research to reassess the role of the brain during cardiac arrest very relevant in the future.

“It is assumed that during cardiac arrest, the brain is inactive. However, animal models of cardiac and respiratory arrest show gamma burst and functional connectivity. To investigate whether these preclinical data apply to humans, we analyzed EEG and ECG signals from four comatose patients before and after ventilator withdrawal. In two of the four patients, there was a rapid and marked increase in gamma radiation power, increased cross-frequency coupling of gamma waves with slower oscillations, and increased functional and directional interhemispheric coupling in the gamma bands.“. reveals research. “These data indicate that the increase in gamma ray power and communication observed in animal models of cardiac arrest can be observed in individual patients during the dying process.“.

As can be appreciated, this new discovery is still not precise and was not observed in all patients in the study, which shows that there is a long way to go, but this is an important study that can tell a lot about the moment we are gone and all of our life”passes before our eyes“.

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Source: neurology.

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