About the Authors

Im Quah-Smith

Affiliation School of Psychiatry, Faculty of Medicine, University of New South Wales, Randwick, New South Wales, Australia

Perminder S. Sachdev

p.sachdev@unsw.edu.au

Affiliations School of Psychiatry, Faculty of Medicine, University of New South Wales, Randwick, New South Wales, Australia, Neuropsychiatric Institute, Prince of Wales Hospital, Randwick, New South Wales, Australia, Brain & Ageing Research Program, School of Psychiatry, University of New South Wales, Randwick, New South Wales, Australia

Wei Wen

Affiliations School of Psychiatry, Faculty of Medicine, University of New South Wales, Randwick, New South Wales, Australia, Neuropsychiatric Institute, Prince of Wales Hospital, Randwick, New South Wales, Australia, Brain & Ageing Research Program, School of Psychiatry, University of New South Wales, Randwick, New South Wales, Australia

Xiaohua Chen

Affiliations School of Psychiatry, Faculty of Medicine, University of New South Wales, Randwick, New South Wales, Australia, Neuropsychiatric Institute, Prince of Wales Hospital, Randwick, New South Wales, Australia, Brain & Ageing Research Program, School of Psychiatry, University of New South Wales, Randwick, New South Wales, Australia

Mark A. Williams

Affiliation Macquarie Centre for Cognitive Sciences, Macquarie University, Sydney, New South Wales, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IQS. Performed the experiments: IQS. Analyzed the data: IQS PSS WW XC MAW. Wrote the paper: IQS PSS WW MAW. Recruited participants: IQS. Involved in design: WW XC PSS. Involved in data acquisition: XC. Involved in interpretation of results: MAW PSS.