Nat. Neurosci. 17, 1263–1269 (2014); published online 17 August 2014; corrected after print 4 June 2015

In the version of this article initially published, the second set of hippocampal coordinates in the fourth Results section was given as (−26,−22,−1). The correct coordinates are (−26,−22,−16). The error has been corrected in the HTML and PDF versions of the article.