About the Authors

John Liggins

Affiliation Department of Psychiatry, McGill University, Montréal, Québec, Canada

Robert O. Pihl

Affiliation Department of Psychiatry, McGill University, Montréal, Québec, Canada

Chawki Benkelfat

Affiliation Department of Psychiatry, McGill University, Montréal, Québec, Canada

Marco Leyton

marco.leyton@mcgill.ca

Affiliation Department of Psychiatry, McGill University, Montréal, Québec, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ML RP. Performed the experiments: JL ML CB. Analyzed the data: JL. Wrote the paper: JL ML. Revising manuscript for intellectual content: CB RP ML.