The term area 8/32 refers to an area located between area 8 and area 32o (macaque) on the upper bank of the cingulate sulcus in the superior frontal gyrus of the frontal lobe of the macaque. It is bounded dorsally by area 8 and ventrally by area 32o (macaque). It is defined on the basis of stain for neurofilament protein ( Petrides-2009 ).