Direct Regulation of Diurnal Drd3 Expression and Cocaine Reward by NPAS2Ozburn AR, Falcon E, Twaddle A, Nugent AL, Gillman AG, Spencer SM, Arey RN, Mukherjee S, Lyons-Weiler J, Self DW, and McClung CA Biological Psychiatry, In Press Circadian gene disruptions are associated with the development of psychiatric disorders, including addiction. However, the mechanisms by which circadian genes regulate drug reward...