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. Author manuscript; available in PMC: 2021 Feb 11.
Published in final edited form as: Cereb Cortex. 2021 Feb 5;31(3):1837–1847. doi: 10.1093/cercor/bhz024

Figure 1.

Figure 1

Left: The canonical microcircuit with excitatory (green) and inhibitory (red) cell populations including pyramidal (triangle) and smooth / stellate (round) cell types. Blue and red arrows depict intrinsic excitatory and inhibitory connections, respectively. Middle left: histologic depiction of prefrontal cortex cytoarchtecture. Middle Right: Two microcircuits showing extrinsic, layer-specific forward (green) and backward (orange) connections. Right: Template MRI image with red dots marking MNI coordinates for [right] IFG (top), A1 and STG (bottom).