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Archive for January, 2009

“… most of us recall no more than 1 percent of our dreams.”
“According to the Dartmouth neuroscientist Michael Gazzaniga, 98 percent of what the brain does is outside of conscious awareness, while a review of scientific evidence on this question published in 1999 conluded that 95 percent of our actions are unconsciously determined.”
“Studying the bizzare [...]

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“Waking and dreaming are two states of consciousness, with differences that depend on chemistry.”
“We can safely conclude that REM sleep dreaming is mediated by acetylcholine when noradrenaline and serotonin are at very low levels.”
“Here is a sample hypothesis: we can trigger memory fragments with acetylcholine but cannot make new ones without noradrenaline and serotonin.”
“We still [...]

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“We grieve by calling up one memory at a time, reliving it, and then letting it go.  At a brain level we are turning on each of the neural networks that were wired together to form our perception of the person, experiencing the memory with exceptional vividness, then saying goodbye one network at a time.  [...]

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“What a person is, and what he or she thinks, feels, and does, is by no stretch of the imagination influenced only by consciousness.  Many of our thoughts, feelings, and actions take place automatically, with consciousness only coming to know them as they happen, if at all.  Figuring out the mechanism of consciousness would surely [...]

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