Distinct Subpopulations of Nucleus Accumbens Dynorphin Neurons Drive Aversion and Reward

Ream Al-Hasani^*, Jordan G. McCall, Gunchul Shin, Adrian M. Gomez, Gavin P. Schmitz, Julio M. Bernardi, Chang O. Pyo, Sung Il Park, Catherine M. Marcinkiewcz, Nicole A. Crowley, Michael J. Krashes, Bradford B. Lowell, Thomas L. Kash, John A. Rogers, Michael R. Bruchas