Correction to: Neuropsychopharmacology Reviews (2016) 41, 370–371; doi:10.1038/npp.2015.264

In this paper, the first reference in the list should read: Liu X, Ramirez S, Pang PT, Puryear CB, Govindarajan A, Deisseroth K et al (2012). Optogenetic stimulation of a hippocampal engram activates fear memory recall. Nature 484: 381–385.