About the Authors

Katherine O. Gotham

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

katherine.gotham@vanderbilt.edu

Affiliation Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Greg J. Siegle

Roles Methodology, Software, Writing – review & editing

Affiliation Department of Psychiatry, University of Pittsburgh Medical Center, Department of Psychology, University of Pittsburgh, Pittsburgh, Pennsylvania, United States of America

Gloria T. Han

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Department of Psychology, Vanderbilt University, Nashville, Tennessee, United States of America

Andrew J. Tomarken

Roles Formal analysis, Supervision, Writing – review & editing

Affiliation Department of Psychology, Vanderbilt University, Nashville, Tennessee, United States of America

Rachel N. Crist

Roles Conceptualization, Data curation, Investigation, Project administration, Writing – review & editing

Affiliation Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

David M. Simon

Roles Investigation, Software, Writing – review & editing

Affiliation Neuroscience Graduate Program, Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee, United States of America

James W. Bodfish

Roles Conceptualization, Funding acquisition, Investigation, Methodology, Resources, Supervision, Writing – review & editing

Affiliations Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America, Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: Author K.G. receives royalties from the publisher of the Autism Diagnostic Observation Schedule (ADOS-2). This measure was used for confirming autism spectrum diagnosis in this sample and was not primary to outcome in this paper. K.G. donates to charity all royalties from Vanderbilt University Medical Center. Author J.B. also authored the Repetitive Behavior Scale-Revised (RBS-R) and the Interests Scale (IS), two instruments used in this study to measure restricted and repetitive behaviors associated with autism spectrum disorders. J.B. reports no financial interests or additional potential conflicts of interest with regard to this study. Authors G.S., G.H., A.T., R.C., and D.S. declare that they have no competing interests, financial or otherwise.