Mean binding within the (A) prelimbic (PrL), infralimbic (IL), cingulate (Cg), and insular (Ins) cortices; (B) habenula (Hab), hypothalamus (Hyp), basolateral amygdaloid nucleus (BLA), central medial amygdaloid nucleus (CeM), posteromedial cortical amygdaloid nucleus (PMCo), periaqueductal gray (PAG), superior colliculus (Colli), dorsal endopiriform nucleus (DEn), and basomedial amygdaloid nucleus (BMA); (C) nucleus accumbens core (Nac core) and shell (Nac shell), dorsal medial (DMCPU), dorsal lateral (DLCPU), ventral medial (VMCPU), and ventral lateral (VLCPU) striatum; (D) retrouniens area (Re), paraventricular thalamic nucleus (PV), central medial thalamic nucleus (CM), laterodorsal thalamic nucleus (LD), mediodorsal thalamic nucleus (MD), ventral posteromedial thalamic nucleus (VPM), posterior thalamic nuclear group (Po), and dorsal lateral geniculate nucleus (DLG) is shown for ND (normal diet; no surgery), Sham (ad libitum high-fat diet; sham surgery), Sham FR (food restricted high-fat diet; sham surgery), and RYGB (ad libitum high-fat diet; RYGB surgery) rats. * p < .05.