The minimum Na+ influx to initiate the action potential and propagate it

Value 2.88e+8 Na+/action potential
Organism Unspecified
Reference Attwell D, Laughlin SB. An energy budget for signaling in the grey matter of the brain. J Cereb Blood Flow Metab. 2001 Oct21(10):1133-45. p.1136 right column top paragraphPubMed ID11598490
Comments "Thus, the minimum Na+ influx to initiate the action potential and propagate it is 2.88×10^8Na+ (if dendrite depolarization were due to entry of Ca2+ instead of Na+, with each Ca2+ extruded in exchange for 3 Na+, this figure would increase by 6.8%)."
Entered by Uri M
ID 108651