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It seem to me that it would be useful for some researchers to
examine the possibility that the conventional assumptions are
incorrect, and see what can be accomplished by postulating that the
brain (a physical/material system operating in space and time) is an
interface device connecting the physical/material body with a
non-material, non-physical mind that is not located in space and is
"outside of" time----"eternal" in the sense of
beyond time rather than in the sense of infinite duration in
time.
The left-brain, right-brain differences, seen from this
point of view, might suggest that the left brain is the side of the
interface device that connects to the time-bound body, and the right
brain is the side of the device that connects to the "eternal"
mind. I doubt if it is actually this simple, partly because the
available evidence from imaging seems to show a lot more complexity
in the distribution of functions, and partly because some functions
such as vision and hearing draw on both hemispheres of the brain.
But it might be possible to devise some experiments based on this
general hypothesis that might not occur to scientists who take the
current assumptions as proved facts.
A simple analogy that I
have thought about that is suggestive of the problems of proving the
correctness of current basic assumptions uses a "black box"
model: Imagine a black box whose exterior we can see, with two push
buttons on it. We push button one and speak to it, then push button
two and hear the same words coming back out. Certainly one
possibility is that there is some kind of tape recorder or memory
chip inside which records sounds when button one is pressed, then
plays them back when button two is pressed. But another possibility
is that there is a transceiver in the black box, which transmits the
sounds it picks up to a transceiver located somewhere else and which
in turn is connected to a recorder. When you push button two on the
known black box, it sends a signal to the second transceiver to play
back the "tape" and send it back over to the black box
which then duly emits it. (This is where the analogy, like all
analogies, is inexact, since the second mechanism here, the
transceiver-recorder, is itself a physical system, but it is being
used to stand for the non-material mind in the hypothesis.)
Assume
we are talking about memory, and are assuming that memories are
stored in some fashion in the black box. Then assume that after
speaking into the black box but before pushing button two we take a
baseball bat and beat the heck out of the black box. Then we push
button two, and nothing happens. Aha! we say. This proves that
memories are stored in this box, and that we have damaged those
memories.
Of course in the case of the black box it is
obvious that we have proved no such thing.
Why should it
prove anything in the case of a brain that has been damaged by
disease or trauma?
It is well known that by poking an
electrode into specific areas of someone's brain, certain memories
can be evoked. According to my analogy, however, this is not proof
that the evoked memory was "stored" in that area of the
brain, or indeed stored in the brain at all. Given the
unconventional hypothesis that the mind is "eternal" in
the sense of not located in time or space, and that memory is the
ability to recall some experience that happened at some other point
in time, it would be quite possible that memory would a function of
the mind and not of the brain. In this event, what would need
explaining would not be why we remember things, but why we ever
forget things, and also (wildly) why we don't remember what happened
the day after tomorrow. ("It's a poor sort of memory that only
works backwards"-----Alice in Wonderland.)
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