Correction to: Nature Neuroscience https://doi.org/10.1038/nn1828, published online 14 January 2007.

In the version of the article initially published, in Fig. 5b, the lower label “Tectb–/–” should have read “Wild type”. An amended version of the figure can be seen below as Fig. 1.

Fig. 1
figure 1

Corrected Fig. 5.