Re: ality

From: Dace (
Date: Wed Feb 20 2002 - 05:23:37 GMT

  • Next message: Wade T.Smith: "Re: ality"

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    Subject: Re: ality
    Date: Tue, 19 Feb 2002 21:23:37 -0800
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    Hi Steve:

    > I'm probably going to regret asking this, because i may not understand the
    > answer! Only one way to find out.
    > If i understand this memory recording thing, it is essentially down to
    > chemical storage patterns in the brain, and their arrangement that forms
    > basis of memory, and that as these patterns degrade or are damaged our
    > recall becomes worse.

    This approach is outdated. Take a look at *The Invention of Memory: A New
    View of the Brain* by Israel Rosenfield, Basic Books, 1988.

    Rosenfield contrasts the brain with a computer, in which data remains dead
    and (except for an external accident) unchanging until someone reads it.
    But brains are fundamentally dynamic. Neurons don't sit still. Neural
    "memory" would have to be continuously recreated in the human brain, thus
    compromising the accuracy of our recollections. This model is sometimes
    called "neural darwinism," the idea being that millions of impulses inflow
    on each neuron, and only some get selected and passed on to other neurons.
    It's the kind of speculation that characterizes memory research.
    Everything's pretty much up in the air, though the researchers themselves
    carry on like all the basics are worked out, and it's just a matter of
    filling in the gaps now.


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