Correction to: Nature Biomedical Engineering 1, 862–877 (2017) ; published online 10 November 2017.

In the version of this Review Article originally published, in Fig. 4b, the label ‘Glutamate’ was mistakenly duplicated and an arrow between a purinergic P2 receptor and a glutamate transporter was missing. The figure has now been updated in all versions of the Review Article.