About the Authors

Martina Hedenius

Affiliation Department of Neuroscience, Uppsala University, Uppsala, Sweden

Michael T. Ullman

Contributed equally to this work with: Michael T. Ullman, Margareta Jennische

Affiliation Brain and Language Lab, Department of Neuroscience, Georgetown University, Washington, D.C., United States of America

Per Alm

Affiliation Department of Neuroscience, Uppsala University, Uppsala, Sweden

Margareta Jennische

Contributed equally to this work with: Michael T. Ullman, Margareta Jennische

Affiliation Department of Neuroscience, Uppsala University, Uppsala, Sweden

Jonas Persson

martina.hedenius@neuro.uu.se

Affiliation Aging Research Center, Karolinska Institute and Stockholm University, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH MU MJ. Performed the experiments: MH. Analyzed the data: MH JP PA. Wrote the paper: MH JP MU.