About the Authors

Christine Thai

Affiliation Department of Psychology, Royal Melbourne Institute of Technology, Melbourne, Australia

Yen Ying Lim

yen.lim@florey.edu.au

Affiliations The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia, Department of Neurology, Warren Alpert School of Medicine, Brown University, Providence, Rhode Island, United States of America, Department of Neurology, Rhode Island Hospital, Providence, Rhode Island, United States of America

Victor L. Villemagne

Affiliations The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia, Department of Nuclear Medicine and Centre for PET, Austin Health, Heidelberg, Victoria, Australia, Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia

Simon M. Laws

Affiliations Centre of Excellence for Alzheimer’s Disease Research and Care, Edith Cowan University, Joondalup, Western Australia, Australia, Sir James McCusker Alzheimer’s Disease Research Unit, Hollywood Private Hospital, Perth, Western Australia, Australia, Co-operative Research Centre for Mental Health, Perth, Western Australia, Australia

David Ames

Affiliations Academic Unit for Psychiatry of Old Age, St. Vincent’s Health, The University of Melbourne, Kew, Victoria, Australia, National Ageing Research Institute, Parkville, Victoria, Australia

Kathryn A. Ellis

Affiliations The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia, Academic Unit for Psychiatry of Old Age, St. Vincent’s Health, The University of Melbourne, Kew, Victoria, Australia, National Ageing Research Institute, Parkville, Victoria, Australia

Stephanie R. Rainey-Smith

Affiliations Centre of Excellence for Alzheimer’s Disease Research and Care, Edith Cowan University, Joondalup, Western Australia, Australia, Sir James McCusker Alzheimer’s Disease Research Unit, Hollywood Private Hospital, Perth, Western Australia, Australia

Ralph N. Martins

Affiliations Centre of Excellence for Alzheimer’s Disease Research and Care, Edith Cowan University, Joondalup, Western Australia, Australia, Sir James McCusker Alzheimer’s Disease Research Unit, Hollywood Private Hospital, Perth, Western Australia, Australia

Colin L. Masters

Affiliation The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia

Christopher C. Rowe

Affiliations Department of Nuclear Medicine and Centre for PET, Austin Health, Heidelberg, Victoria, Australia, Department of Medicine, Austin Health, The University of Melbourne, Heidelberg, Victoria, Australia

Paul Maruff

Affiliations The Florey Institute of Neuroscience and Mental Health, Parkville, Victoria, Australia, Cogstate Ltd., Melbourne, Victoria, Australia

Australian Imaging, Biomarkers and Lifestyle (AIBL) Research Group

Membership of the Australian Imaging, Biomarkers and Lifestyle (AIBL) Research Group can be found in the Acknowledgments.

Competing Interests

Christine Thai, Yen Ying Lim, Kathryn A. Ellis, Stephanie R. Rainey-Smith and Simon M. Laws report no relevant disclosures. Colin L. Masters is an advisor to Prana Biotechnology Ltd and a consultant to Eli Lilly. R. H. P. is a scientific consultant to Cogstate Ltd. Paul Maruff is a full-time employee of Cogstate Ltd. David Ames has served on scientific advisory boards for Novartis, Eli Lilly, Janssen, and Pfizer Inc. Ralph N. Martins is a consultant to Alzhyme. Christopher C. Rowe has served on scientific advisory boards for Bayer Pharma, Elan Corporation, GE Healthcare and AstraZeneca; has received speaker honoraria from Bayer Pharma and GE Healthcare; and has received research support from Bayer Pharma, GE Healthcare, Piramal Lifesciences and Avid Radiopharmaceuticals. Victor L. Villemagne served as a consultant for Bayer Pharma; and received research support from a NEDO grant from Japan. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CT YYL PM. Performed the experiments: CT YYL VLV SML. Analyzed the data: CT YYL PM. Contributed reagents/materials/analysis tools: DA RNM CLM PM VLV CCR KAE SRR SML. Wrote the paper: CT YYL PM.