What happens after death or even in the process of reaching this state, humanity has been intrigued for centuries, in which stories of white light, visits from deceased loved ones, hearing voices, among other attributes, and now the study shows that it detected a spike in brain activity in the dying brain.
A new study published in the Proceedings of the National Academy of Science gives the first evidence of increased activity correlated with consciousness in a dying brain.
The investigation recorded similar gamma activation signals in the dying brains animals and humans after loss of oxygen after cardiac arrest.
“How can vivid experience of a dysfunctional brain during the process of dying It’s a neuroscience paradox.” said George Mashur, founding director of the Michigan Center for the Science of Consciousness and co-author of the study.
Team identified four patients who died of cardiac arrest in the hospital during EEG monitoring.. All four were comatose and unresponsive. Ultimately, it was determined that they no longer required medical attention, and with the permission of their families, life support was turned off.
brain activity before sleep
When we remove assisted breathing, two patients experienced an increase in heart rate along with a surge in gamma wave activity.considered the fastest brain activity and associated with consciousness.
Except activity was found in the so-called hot zone of neural correlates consciousness in the brain, the connection between the temporal, parietal and occipital lobes at the back of the brain. This area has been associated with dreams, visual hallucinations in epilepsy, and altered states of consciousness in other brain studies.
These two patients previously reported seizures, but no seizures in the hour before deathexplained Dr. Nusha Mikhailova, assistant professor of neurology, who has been collaborating with Dr. Borzhigin since 2015, collecting EEG data from deceased patients in the intensive care unit.
the other two patients did not have the same increase in heart rate. when life support was off, they didn’t have more brain activity.
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Source: La Opinion
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