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Can an unconscious person be aware of his surroundings? Part 2 (Teacher: Michael)

He believes that when one billion microtubules attain the same chemical for 500 milliseconds, this causes a quantum "event" in the brain and that these events our thoughts. We measure brain "consciousness" but Penrose's theory suggests a way that this possible in the future.

The Lancet article suggests that a person some awareness of his surroundings though he is unconscious. Researchers in Holland interviewed 344 patients, who recovered, from a coma after their hearts stopped beating for to" five minutes due to a heart attack. Forty-one of these patients that they able to recall the period of time when they unconscious. They aware that they "dead" and 15 an experience that they floating above their "dead" body, watching medical staff trying to resuscitate them.

One particular patient correctly able to describe the he in when he deeply unconscious and a nurse his dentures and them in a particular drawer - the nurse later confirmed these details. In another report, a woman accurately related events that occurred when she unconscious and a brain wave test (electroencephalogram). showed no brain activity.

It suggested that these phenomena either tricks of the memory or psychological responses to a very traumatic situation. This not explain however, how patients register details during a period when they unconscious. Further research is on to confirm that this really occur, but if confirmed, it suggests that patients who appear to unconscious some "conscious" brain awareness. How this occur explained by our current knowledge of how the brain works.

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