[extropy-chat] Desirability of Singularity (was Are ancestor simulations immoral?)

Eugen Leitl eugen at leitl.org
Tue Jun 6 09:18:57 UTC 2006


On Mon, Jun 05, 2006 at 02:23:25PM -0700, Damien Sullivan wrote:

> The brain is 2% of body mass but 20% of body heat; I expect most of the
> energy is being used for computation, or to maintain readiness to
> compute.  Of course this might be in neurotransmitter recyling as well
> as in spike trains.

The brain is also an area of high metabolism, material transfer,
and high genetic activity. Maintaining dynamic gradients clearly
takes a major fraction of brain's metabolism, but hardly the only
one.

http://www.bio.net/bionet/mm/neur-sci/1998-August/033208.html
claims half, but this doesn't strike me as well-grounded.

-- 
Eugen* Leitl <a href="http://leitl.org">leitl</a> http://leitl.org
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