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. 2022 Jan 24;12(2):150. doi: 10.3390/brainsci12020150

Figure 1.

Figure 1

A schematic diagram showing the overlap of orexin projections with hypothesized regions contributing to modulation of hedonic tone. Orexin neurons are shown in blue. Abbreviations: A, amygdala; ACG, anterior cingulate cortex; C, caudate; DLPFG, dorsolateral prefrontal cortex; H, habenula; I, insula; LC, locus coeruleus; LHA = lateral hypothalamus; NA, nucleus accumbens; OMPFC, orbitomedial prefrontal cortex; P, putamen; RN, raphe nucleus; SCG, subgenual cingulate cortex; T, thalamus; VTA, ventral tegmental area; and VMPFC, ventromedial prefrontal cortex.