Submitted for Publication: January 21, 2014; final revision received August 19, 2014; accepted August 25, 2014.
Published Online: January 14, 2015. doi:10.1001/jamapsychiatry.2014.2178.
Study concept and design: Lesh, Carter.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Lesh, Carter.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Lesh, Minzenberg, Ragland, Carter.
Obtained funding: Carter.
Administrative, technical, or material support: Lesh, Tanase, Geib, Niendam, Yoon, Solomon.
Study supervision: Lesh, Carter.
Conflict of Interest Disclosures: None reported.
Funding/Support: This study was supported by grant 5R01MH059883 from the National Institutes of Health (Dr Carter).
Role of the Funder/Sponsor: The funding source had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.
Previous Presentations: Preliminary data from this paper were presented at the 51st Annual Meeting of the American College of Neuropsychopharmacology; December 4, 2012; Hollywood, Florida and at the 14th International Congress on Schizophrenia Research; April 24, 2013; Orlando, Florida.
Additional Contributions: We thank the study participants and their families. Third- and fourth-year undergraduate interns Ashley Falzone, Samuel Crowley, Markie Benavidez, Alex Mawla, Shivani Desai, Weizhen Xie, and Agnieszka Lewandowski assisted with data collection and processing. Each undergraduate intern contributed to the project for a minimum of 1 year and a maximum of 3 years. They received no financial compensation.