Skip to main content
. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Ann N Y Acad Sci. 2011 May;1225(Suppl 1):E182–E191. doi: 10.1111/j.1749-6632.2011.06001.x

Table 1.

Absolute and relative sizes of primary motor area (area 4), prefrontal cortex, and other cortex in great apes and humans*

Area 4 (cm2) Prefrontal (cm2) Other cortex (cm2)
human 7.34 (65%) 181.40 (220%) 499.60 (149%)
great apes chimp 8.94 (79%) 52.84 (87%) 280.96 (84%)
orang 13.57 (121%) 68.45 (113%) 389.22 (116%)
*

Data from Blinkov and Glezer [8], Table 196. Values in parentheses represent species’ values expressed as a percentage of the mean value of great apes (i.e., mean of chimpanzee and orangutan).