NEUROSCIENCE Correction for “Functional connectivity arises from a slow rhythmic mechanism,” by Jingfeng M. Li, William J. Bentley, Abraham Z. Snyder, Marcus E. Raichle, and Lawrence H. Snyder, which appeared in issue 19, May 12, 2015, of Proc Natl Acad Sci USA (112:E2527–E2535; first published April 27, 2015; 10.1073/ pnas.1419837112). The authors note that the author list should be updated to...