Nat. Neurosci. 16, 648–653 (2013); published online 24 March 2013; corrected after print 22 May 2013

In the version of this article initially published, an affiliation for author Quentin Huys read Translational Neuroimaging Unit. The correct name is Translational Neuromodeling Unit. The error has been corrected in the HTML and PDF versions of the article.