Correction to: Nature Neuroscience https://doi.org/10.1038/s41593-018-0119-z, published online 19 March 2018.
In the version of this article initially published online, the labels were switched for the right-hand pair of bars in Fig. 4e. The left one of the two should be Chloroquine + veh, the right one Chloroquine + CNO. The error has been corrected in the print, HTML and PDF versions of the article.