Leptin Activates Dopamine and GABA Neurons in the Substantia Nigra via a Local Pars Compacta-Pars Reticulata Circuit. - Mancini M; Hikima T; Witkovsky P; Patel JC; Stone DW; Affinati AH; Rice ME (The Journal of neuroscience : the official journal of the Society for Neuroscience, 2025)