D1 and D2 medium spiny neurons in the nucleus accumbens core have distinct and valence-independent roles in learning

Jennifer E. Zachry, Munir Gunes Kutlu, Hye Jean Yoon, Michael Z. Leonard, Maxime Chevée, Dev Patel, Anthony Gaidici, Veronika Kondev, Kimberly C. Thibeault, Rishik Bethi, Jennifer Tat, Patrick R. Melugin, Atagun U. Isiktas, Max E. Joffe, Denise J. Cai, P. Jeffrey Conn, Brad A. Grueter, Erin S. Calipari