Figure 1: Neuroanatomic basis of the hypocretinergic system. (BF, Basal forebrain; ACh, Acetylcholine; PPT, Pedunculopontine tegmentum; LDT, Laterodorsal tegmentum; TMN, Tuberomammillary nucleus; HA, Histamine; SN, Substantia nigra; VTA, Ventral tegmental area; DA, Dopamine; 5-HT, 5-hydroxytryptamine; LC, Locus coeruleus; NE, Norepinephrine)