About the Authors

Gašper Tkačik

gtkacik@ist.ac.at

Affiliations Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America, Institute of Science and Technology Austria, Klosterneuburg, Austria

Patrick Garrigan

Affiliation Department of Psychology, Saint Joseph's University, Philadelphia, Pennsylvania, United States of America

Charles Ratliff

Affiliation Department of Ophthalmology, Northwestern University, Chicago, Illinois, United States of America

Grega Milčinski

Affiliation Sinergise d.o.o, Ljubljana, Slovenia

Jennifer M. Klein

Affiliation Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Lucia H. Seyfarth

Affiliation Department of Neuroscience, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America

Peter Sterling

Affiliation Department of Neuroscience, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania, United States of America

David H. Brainard

Affiliation Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Vijay Balasubramanian

Affiliation Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GT PG CR PS DHB VB. Performed the experiments: GT PG CR GM JMK LHS DHB. Analyzed the data: GT PG CR GM JMK LHS DHB. Wrote the paper: GT PG PS DHB VB.