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Secular Elation · 08-26-2003, 10:02 PM

What changes does the brain undergo when a person alternates between consciousness and unconsciousness? What is the mechanism in the brain that controls consciousness? Are there certain cells in the brain that "shut down" to cause unconsciousness, such as when we go to sleep? How exactly does the brain function in this regard?

Magic Primate · 08-26-2003, 11:47 PM

AFAIK there is an architecture of fast 'Re-entrant' pathways, which provide a high degree of integration across certain areas of the brain and which shut down when we are asleep.

08-26-2003, 10:02 PM	#1
Secular Elation Veteran Member Join Date: Apr 2001 Location: California Posts: 6,196	The brain and consciousness What changes does the brain undergo when a person alternates between consciousness and unconsciousness? What is the mechanism in the brain that controls consciousness? Are there certain cells in the brain that "shut down" to cause unconsciousness, such as when we go to sleep? How exactly does the brain function in this regard?

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08-26-2003, 11:47 PM	#2
Magic Primate Veteran Member Join Date: Jul 2003 Location: Oxfordshire Posts: 1,134	AFAIK there is an architecture of fast 'Re-entrant' pathways, which provide a high degree of integration across certain areas of the brain and which shut down when we are asleep.

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