The Neuropeptide Tac2 Controls a Distributed Brain State Induced by Chronic Social Isolation Stress. Zelikowsky M, Hui M, Karigo T, et al. The Neuropeptide Tac2 Controls a Distributed Brain State Induced by Chronic Social Isolation Stress. Cell. 2018;173(5):1265-1279.e19. doi:10.1016/j.cell.2018.03.037 Read more