Received: by alpheratz.cpm.aca.mmu.ac.uk id OAA10040 (8.6.9/5.3[ref pg@gmsl.co.uk] for cpm.aca.mmu.ac.uk from fmb-bounces@mmu.ac.uk); Tue, 28 Aug 2001 14:27:00 +0100 Message-ID: <3B8B9BA5.7DDD4328@bioinf.man.ac.uk> Date: Tue, 28 Aug 2001 14:24:53 +0100 From: Chris Taylor <Christopher.Taylor@man.ac.uk> Organization: University of Manchester X-Mailer: Mozilla 4.77 [en] (Windows NT 5.0; U) X-Accept-Language: en To: memetics@mmu.ac.uk Subject: Re: Song of Myself References: <2D1C159B783DD211808A006008062D310174604D@inchna.stir.ac.uk> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: fmb-bounces@mmu.ac.uk Precedence: bulk Reply-To: memetics@mmu.ac.uk
> Brain scans of people who suffer from phantom limb show very clear
> patterns of brain activity. What happens is that the region of the brain
> that dealt with the signals being received by the lost limb, is co-opted by
> the brain for other uses, but there is a latent effect on the person. This
> is why, for example, you can touch, say a person's face, and they will feel
> their phantom limb as well as feel the touch on their fact.
Plus the original sensory part of the brain, which is no longer
receiving input, effectively 'turns up the gain' on that input,
exaggerating noise into pain. This helps explain some of the
psychological tricks you can play to get rid of this type of
malfunctional(?) pain too (i.e. faking an input to get the auto-level to
turn back down) (who decided to put them on stereos - a conspiracy to
stop us ever getting a decent tape of an album again - hooray for CD-R -
but I digress).
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Chris Taylor (chris@bioinf.man.ac.uk)
http://bioinf.man.ac.uk/ »people»chris
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