Haven't we already had a thread about this before?
On Sun, 3 Dec 2000, Mark
D. Morin wrote:
> Robert M Best wrote:
>> > DEJA VU
> > by Robert M. Best
>>> > The brain formation that recognizes new episodes and commits them to memory
> > is the right hippocampus (HC).
>> That would be visual/spatial episodes. Linguisticly based episodes are normally
> processed by the Left Hippocampus (95% of right handers and about 75% of left
> handers). Since most episodes in life are a combination of linguistic and
> nonlinguistic components, both hippocampi are usually involved.
>> snip of a decent summary of the neurology of memory
>>> > By removing redundancy and compressing the input pattern to essential
> > features, the DG discards information, just as compression of a digital
> > picture in a JPG file discards information. Without details, sooner or
> > later a new pattern will match a prior pattern based on only the essential
> > features, but not match the details in the uncompressed memory. Since the
> > details do not match, the prior memory does not become conscious, but the HC
> > has already signaled that the pattern is a familiar one because the
> > essential features do match. This is the deja vu feeling. We feel that a
> > new situation has occurred before but cannot recall when or where.
>> my initial gut reaction is that this isn't quite what déjà-vu is about. It's
> not experienced so much as a memory but a reliving. In any event, you are
> getting at the underlying brain response to this phenomenon. All brain response
> are electro/chemical. One can simply explain déjà-vu as an electrical blip that
> shouldn't have happened. Simplistic yes.
>> If you were to do long term telemetry on people experiencing frequent déjà-vu
> you would more likely than not find evidence of seizure activity. If you think
> about it, it makes sense--most seizures will come from the mesial temporal
> lobe--an area proximal to the hippocampi.
> "I'll remind you that men never do evil so completely and
> cheerfully as when they do it from religious conviction. Put
> another way, in general, bad people do evil things; good
> people do good things. But, it takes religion to make a good
> person do something really bad."
> --Jill Tarter, member of SETI
>>http://members.mint.net/mdmpsyd>>> for e-mail replies, remove the obvious
Gary G Wilson