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[OPE-L:2231] Re: Re: Re: [OPE-L:1992]:value-form theories

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----- Original Message -----
From: Allin Cottrell <cottrell@xxxxxxxxxxxxxxxxxxx>
To: OPE-L <OPE-L@xxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, January 19, 2000 3:02 PM
Subject: [OPE-L:2229] Re: Re: [OPE-L:1992]:value-form theories


> On Wed, 19 Jan 2000, Michael J Williams wrote:
>
> > [An odd little wrinkle occurs to me here: is mental labour
> > 'physiological'? As far as I know there is no way of
> > measuring the work done by thinking (even in a laboratory),
> > and casual empiricism tells me that however hard or long I
> > think, I never lose any weight, whereas a few hours of hard
> > physical work clearly involves the expenditure of energy!]
>
> Sure it's physiological.  It does not take place in a Cartesian
> immaterial medium.  It shows up on PET scans.
>
> Allin Cottrell.
>
Not only that the brain accounts for 25% of oxygen demand,
and hence 25% of any weight loss.
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