The term area 6/32 refers to an area located between area 6 and area 32o (macaque) on the upper bank of the cingulate sulcus in the precentral gyrus of the frontal lobe of the macaque. It is bounded dorsally by area 6M and, in the depth of the sulcus, by area 24c of Carmichael rostrally and area 23c (macaque) caudally. It is defined on the basis of stain for neurofilament protein ( Petrides-2009 ).