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When human beings face death, their hearts often skim a picture of life, flashing quickly like a movie. This is known as "marquee" or "flashback before death". Whether in China or the West, people have always been curious about this phenomenon. Scientists have recently obtained some new evidence through research that may add more answers to this topic. They observed alarming brainwave activity in an 87-year-old heart patient, which seemed to confirm this phenomenon. The case occurred at Vancouver General Hospital in Canada, led by neurosurgeon Dr. Ajmal Zemmar. After experiencing cardiac arrest, the elderly patient was connected to a high-precision electroencephalogram device to monitor and treat his heart problems. However, he did not survive his death, but left behind a high-profile data recording the changes in his brain waves when he was dying.
In this data, Dr. Zemmar and his team observed never-before-seen details. Previous studies have shown that people experience abnormally active brain waves before they die, but the exact meaning of this phenomenon has not been known. However, in this study, when nearly 15 minutes of EEG data were analyzed, especially within the critical 30 seconds before and after the patient's death, the researchers made surprising findings. When the patient's brain was dying, a series of brain wave oscillations related to neural activity appeared, including obvious gamma, delta, alpha and beta waves. Different types of brain waves reflect different brain activity, and these oscillations are often associated with memories, such as dreams, meditation, and memory retrieval. This means that the 87-year-old patient's brain has been engaged in activities related to recall in the last moments of his life, and these recorded brain waves are also mainly related to "memory".
Dr. Zemmar concludes: "Through brain wave oscillations associated with memory retrieval, we can infer that the elderly man may have been rapidly reviewing some important moments of his life in the last moments of his life. This is very similar to known near-death experiences. However, he also stressed that more in-depth research is needed to explain the phenomenon exactly. This finding not only provides more support for the phenomenon of "marquee" or "flashback before death", but may also raise new challenges to our understanding of human death.
The study is the first time in history that brain activity has been accurately measured during human death, and similar "recall brain waves" have only been observed in mouse experiments. The discovery also attracted widespread attention in the international media, not only because of its scientific significance, but also because of the profound exploration of the process of death. However, Dr. Zemmar is careful to point out that further research and observations are needed to fully validate the "flashback before death" theory. "This is just a case of a heart patient, and we need to look at it in more cases to further test this theory," he said. "However, this study certainly gives us more food for thought and a deeper understanding of death."
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