Measuring cognitive flexibility in anorexia nervosa: Wisconsin Card Sorting Test versus cued task-switching.

"Declarations Competing interestsP.H. has received sessional fees and lecture fees from the Australian Medical Council, Therapeutic Guidelines publication, and New South Wales Institute of Psychiatry and royalties from Hogrefe and Huber, McGraw Hill Education, and Blackwell Scientific Publications, and she has received research grants from the NHMRC and ARC. She is Chair of the National Eating Disorders Collaboration in Australia (2019) and an Editor in Chief of the Journal of Eating Disorders. In July 2017, she provided a commissioned report for Takeda (formerly Shire) Pharmaceuticals on lisdexamfetamine and binge eating disorder, is a consultant to Takeda, and in 2018–2020 received honoraria for education of Psychiatrists. S.T. receives royalties from Taylor and Francis, Hogrefe and Huber and McGraw Hill for published book chapters. He has received honoraria from Shire/Takeda Group of Companies for chairing the Australian Clinical Advisory Board for Binge Eating Disorder, public speaking engagements, commissioned reports as well as investigator-initiated research grants. He is an Editor in Chief of the Journal of Eating Disorders, an inaugural committee member of the National Eating Disorders Collaboration, a Member of the Technical Advisory Group (TAG) on Eating Disorders (Commonwealth of Australia) and a member of the governing council of the Australian Eating Disorders Research and Translation Centre. The other authors have no conflicts of interest to disclose. Ethical approvalThis study was conducted in line with the principles of the Declaration of Helsinki and with approval from The University of Sydney Human Research Ethics Committee (2021/020). Informed consentInformed consent was obtained from all individual participants include in the study. Competing interests P.H. has received sessional fees and lecture fees from the Australian Medical Council, Therapeutic Guidelines publication, and New South Wales Institute of Psychiatry and royalties from Hogrefe and Huber, McGraw Hill Education, and Blackwell Scientific Publications, and she has received research grants from the NHMRC and ARC. She is Chair of the National Eating Disorders Collaboration in Australia (2019) and an Editor in Chief of the Journal of Eating Disorders. In July 2017, she provided a commissioned report for Takeda (formerly Shire) Pharmaceuticals on lisdexamfetamine and binge eating disorder, is a consultant to Takeda, and in 2018–2020 received honoraria for education of Psychiatrists. S.T. receives royalties from Taylor and Francis, Hogrefe and Huber and McGraw Hill for published book chapters. He has received honoraria from Shire/Takeda Group of Companies for chairing the Australian Clinical Advisory Board for Binge Eating Disorder, public speaking engagements, commissioned reports as well as investigator-initiated research grants. He is an Editor in Chief of the Journal of Eating Disorders, an inaugural committee member of the National Eating Disorders Collaboration, a Member of the Technical Advisory Group (TAG) on Eating Disorders (Commonwealth of Australia) and a member of the governing council of the Australian Eating Disorders Research and Translation Centre. The other authors have no conflicts of interest to disclose."

"Funding Open Access funding enabled and organized by CAUL and its Member Institutions. This research did not receive any specific grant from funding agencies in the public, commercial or not-for-profit sectors."