From: Scott Chase (ecphoric@hotmail.com)
Date: Fri 18 Oct 2002 - 00:28:17 GMT
>From: joedees@bellsouth.net
>Reply-To: memetics@mmu.ac.uk
>To: memetics@mmu.ac.uk, fmb-majordomo@mmu.ac.uk
>Subject: Re: electric meme bombs
>Date: Thu, 17 Oct 2002 19:07:41 -0500
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> > >From: joedees@bellsouth.net
> > >Reply-To: memetics@mmu.ac.uk
> > >To: memetics@mmu.ac.uk, fmb-majordomo@mmu.ac.uk
> > >Subject: Re: electric meme bombs
> > >Date: Thu, 17 Oct 2002 18:53:50 -0500
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> > > > Joe Dees wrote:
> > > >
> > > > (bq)"We know in what order the afferent and efferent nerves face
> > > > off across the Sylvan fissure, and which parts of the body they
> > > > sense and move."(eq)
> > > >
> > > > Scott replies:
> > > >
> > > > Isn't the "Syvian fissure" also called the "lateral fissure"?
> > > > Could you explain the above in a little more detail, especially
> > > > about the sensation and movement of body parts? I have this
> > > > nagging vision of a distorted "homunculus" along the fissure of
> > > > Rolando (aka central sulcus between precentral and post central
> > > > gyri) that must be clouding my judgement here.
> > > >
> > >There is indeed a distorted map of the body imposed upon the fissure,
> > >just as there is a locational map imposed upon the occipital lobe
> > >responsible for visual registry. Perhaps things really are simpler
> > >than we have previously supposed, at least until we get into the
> > >associative cortex.
> > >
> > But you haven't elaborated on what you were saying above about the
> > lateral fissure. Were you thinking about the central sulcus instead?
> >
>I think that they're different names for the same feature.
>
The lateral fissure and the central sulcus are synonymous? I most certainly
think NOT. Consult a basic anatomical diagram of the brain found in many
physio psych or human anatomy books. A glossary in Galluscio's _Biological
Psychology_ (at the end of chapter 2) places the central sulcus as divider
between frontal and parietal lobes and the lateral fissure (as Sylvian
fissure) "between the temporal and the frontal and parietal lobes".
It was possible that you had something to say about the lateral fissure that
I wasn't aware of, since I'm extremely rusty on my neuro stuff, but now that
you can't distinguish between two very basic neuroanatomical landmarks I'm
thinking that's probably not the case here.
ref:
Galluscio EH. 1990. Biological Psychology. MacMillan Publishing Company. New
York
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