# Thickness of laminae and errors taken from Table 1 of Beaulieu, C., & Colonnier, M. (1983). The number of neurons in the different laminae of the binocular and monocular regions of area 17 in the cat. Journal of Comparative Neurology, 344. Retrieved from http://onlinelibrary.wiley.com/doi/10.1002/cne.902170308/abstract for cat area 17, layer names are taken from the table 1 0.166 0.010 2 0.128 0.026 3a 0.163 0.014 3b 0.174 0.014 4a 0.265 0.072 4b 0.245 0.045 5 0.137 0.02 6a 0.246 0.026 6b 0.098 0.023 total 1.621 0.134