Correction to: Nature Neuroscience https://doi.org/10.1038/s41593-019-0514-0, published online 21 October 2019.

In the version of this article initially published, bars indicating the means in Fig. 1j were drawn incorrectly, although the individual data points and P value were correct. The error has been corrected in the HTML and PDF versions of the article.

Fig. 1
figure 1

Original and Corrected.