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Schematic illustration of sampling scheme in sagittal (A) and coronal (B) view. The anterior cingulate cortex is in grey. (C) Outline of region of interest (BA24b) with delineation of cortical layers (II+III and V) in the dorsal anterior cingulate cortex. (D, E) von Economo neurons, x 400 magnification, with a pyramidal neuron (*). (C-E) are stained with Cresyl Violet and Luxol Fast Blue. (C) is adapted from [8], with permission. Scale bar in (D, E) 10 µm.
