Thanks for the ref, Austin. I'll take a note and look it up. ken collins Austin Seo (Hae Jin) wrote: > something like this (sorry I haven't been paying attention) has already been > addressed: > > Laughlin SB, de Ruyter van Stevenstock RR, and Anderson JC. 1998. The metbolic cost > of neural information. Nature Neuroscience 1 (1), 36-41.