Figure 11: Dunbar, R. I. M. (1989) Neocortex size as a constraint on group size in primates, Journal of Human Evolution, vol. 20, pp. 478 and 484, copyright 1992, with permission from Elsevier ©
Figure 11: Dunbar, R. I. M. (1989) Neocortex size as a constraint on group size in primates, Journal of Human Evolution, vol. 20, pp. 478 and 484, copyright 1992, with permission from Elsevier