Correction to: Nature Neuroscience https://doi.org/10.1038/s41593-019-0486-0, published online 23 September 2019.

In the version of this article initially published, two graphs were inadvertently duplicated in Fig. 2: the left graph in Fig. 2f and the right graph in Fig. 2k. These graphs have been replotted after reviewing the data; results and conclusions were not affected. Source data for the revised figures are provided as Supplementary Data. The error has been corrected in the PDF and HTML versions of this article.

Fig. 2
figure 1

Original and corrected.