(Current Biology 24, 2018–2024; September 8, 2014)
A reader has brought to our attention a labeling error in Figure 2 of this manuscript as originally published online and in print: the two arrows pointing upward under panels D4 and D5 should have been labeled “touch.” This error has now been corrected in Figure 2 of the article online. The authors apologize for any confusion this error may have caused.