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. Author manuscript; available in PMC: 2007 Oct 15.
Published in final edited form as: Neuropsychologia. 2006 May 26;44(12):2582–2586. doi: 10.1016/j.neuropsychologia.2006.03.037

Fig. 1.

Fig. 1

Axial view of an MRI scan of a chimpanzee brain. The white lines indicate the central sulcus (CS) and the epsilon or omega shaped region with the CS represents the KNOB.