A, Expression of encephalopsin in a horizontal section of adult mouse brain. Radioactive in situ hybridization is used. B, Expression of encephalopsin in a rostrocaudal series of coronal sections of adult mouse brain. Radioactive in situ hybridization is used.Cb, Cerebellum; Cg ctx, cingulate cortex;FrCtx, frontal cortex; InsCtx, insular cortex; MPA, medial preoptic area; Occ ctx, occipital cortex; PC, Purkinje cell of cerebellum; PRh, perirhinal cortex; Sfo, subfornical organ; Str, striatum; Thal, thalamus; VDB, ventral diagonal band.