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. 2021 Feb 24;15:627633. doi: 10.3389/fnbeh.2021.627633

FIGURE 2.

FIGURE 2

Summary of the efferent projections of the PVT based on recent retrograde tracing experiments involving various combinations of injections of the tracer in subcortical targets of the PVT (Dong et al., 2017). Projections appear to originate from two major population of intermixed neurons that preferentially innervate the dmNAcSh (red) and vmNAcSh (green) along with their collateral projections to other subcortical regions. The size of the arrow is indicative of the strength of the projection based on the number of retrograde-labeled neurons in the PVT from injections of cholera toxin B in the central nucleus of the amygdala (CeL), dorsolateral region of the bed nucleus of the stria terminalis (BSTDL), core of the nucleus accumbens (NacC), dorsomedial aspect of the shell of the nucleus accumbens (dmNAcSh), and ventromedial aspect of the shell of the nucleus accumbens (vmNAcSh). aPVT, anterior aspect of the paraventricular nucleus of the thalamus; pPVT, posterior aspect of the paraventricular nucleus of the thalamus.