Scientific Reports 7: Article number: 40041; published online: 05 January 2017; updated: 07 April 2017.

The Acknowledgements section in this Article is incomplete.

“We thank J. Assad and M. Histed for comments on a previous version of the manuscript; V. Jayaraman, J. Akerboom, R. A. Kerr, D. S. Kim, L. L. Looger, K. Svoboda for GCaMP; and E. Boyden for Arch”.

should read:

“We thank J. Assad and M. Histed for comments on a previous version of the manuscript; V. Jayaraman, J. Akerboom, R. A. Kerr, D. S. Kim, L. L. Looger, K. Svoboda for GCaMP; and E. Boyden for Arch. This study was supported in part by grants from ERC (NEURO-PATTERNS), NIH Brain Initiative (1U01NS090576-01), EU FP7-Health-(DESIRE), San Paolo Foundation, MIUR FIRB (RBAP11X42L)”.