Researchers have found that people experience an increase in gamma wave activity in an area of the brain responsible for consciousness, dreams, and hallucinations before death. It is hypothesized that these hallucinations may be the cause of reports of loved ones’ bright lights, voices, singing, and even near-death visions.
The study is in its early stages and only includes four patients, but the scientists hope this will be the first step towards better understanding how the brain responds to death.
The study, published in PNAS, included four patients who died of heart attacks during electroencephalogram (EEG) monitoring. Two showed an increase in heart rate and an increase in gamma wave activity before death. However, such changes were not observed in the other two patients.
The results of the study confirm previous data obtained in animals. However, due to the small sample size, scientists urge caution in their conclusions.
Source: Ferra
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