Value |
7000
synaptic connections/neocortical neuron
|
Organism |
Human Homo sapiens |
Reference |
Drachman D (2005). "Do we have brain to spare?".Neurology 64 (12): 2004–5.doi:10.1212/01.WNL.0000166914.38327.BB. p.2004 left column top paragraphPubMed ID15985565
|
Primary Source |
Pakkenberg B, Pelvig D, Marner L, et al. Aging and the human neocortex. Exp Gerontol 2003 38: 95–99.PubMed ID12543266
|
Method |
Stereologic studies |
Comments |
p.2004 left column top paragraph:"Within the liter and a half of human brain, stereologic studies estimate that there are approximately 20 billion neocortical neurons, with an average of 7,000 synaptic connections each (primary source)." |
Entered by |
Uri M |
ID |
112055 |