12-28-2006, 10:45 AM
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#1
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Senior Member
Join Date: Jul 2006
Location: Placerville, CA
Posts: 8,265
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Brain States
Neurons are the basic cells, or building blocks, of the brain.
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...neurons make contact with other neurons at points called synapses. Each neuron make anywhere from a thousand to ten thousand synapses with other neurons. These can be either on or off, excitatory or inhibitory. That is, some neurons turn on the juices to fire things up, whereas others release juices that calm everything down, in an ongoing dance of staggering complexity. A piece of your brain the size of a grain of sand would contain one hundred throusand neurons, two million axons and a billion synapses, all "talking to" each other. Given these figures, it's been estimated that the number of possible brain states - the number of permutations and combinations of activity that are theoretically possible - exceeds the number of elementary particles in the universe.
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http://www.amazon.com/Phantoms-Brain...e=UTF8&s=books
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"The world will not perish for want of wonders but for want of wonder."
J.B.S.Haldane
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