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. 2006 Jan 23;103(5):1563–1568. doi: 10.1073/pnas.0507729103

Fig. 2.

Fig. 2.

Overview of the neural connections of the PMC. This cartoon illustrates that distinct areas of the PMC are interconnected with each other and share connections with some of the same brain structures. The interconnections among PMC components are not equally reciprocal. Note that the arrows within the green box have different thicknesses or some are absent. Colored arrows outside this box indicate connections between a specific PMC component and a given brain region. The direction of the arrows denotes whether a given brain region projects to or receives projection from a PMC component. For example, amygdala (Amy) only projects to the retrosplenial areas 29/30 but does not receive projections from it, whereas TPO is reciprocally interconnected with all of the PMC components. Acc, accumbens; Amy, amygdala; BF, basal forebrain; BP, basis pontis (relay to the cerebellum); Cd/Pu, caudate and putamen; Cl, claustrum; EC, entorhinal cortex; PAG, periaquaductal gray matter; PE, superior parietal lobule; PG, posterior inferior parietal lobule; PO, opercular lateral parietal area; Th, thalamus; TPO, cortex buried in the superior temporal sulcus; ZI, zona incerta.