Contributors to metabolic demand in the brain

[Dr Richard Everson]

Hello,

It's well known that the brain a substantial metabolic demand.  Can
anyone give me references to what are the principal contributors at
the neuronal level?

Thanks in advance,
Richard Everson.

-- 
Neural Systems Research Group.                  Phone:    +44 171 594 6220
Dept. of Electrical & Electronic Engineering,   Fax:      +44 171 823 8125
Imperial College, London. UK.                   Email:  r.everson at ic.ac.uk