Jocelyn H. Thomas, PhD Jocelyn H. Thomas, PhD, is a Psychologist in the Department of Child and Adolescent Psychiatry and Behavioral Sciences at Children's Hospital of Philadelphia. Locations: Main Campus Appointments and Referrals: 1-800-TRY-CHOP (1-800-879-2467) Education and Training Undergraduate DegreePhD in School Psychology - Lehigh University, Bethlehem, PA Postdoctoral fellowship - Kennedy Krieger Institute, Program: Behavior Management Clinic, Johns Hopkins University, Baltimore, MD Predoctoral Internship - Kennedy Krieger Institute Titles and Academic Titles Psychologist Departments and Services Sleep Center Psychology ServicesChild and Adolescent Psychiatry and Behavioral SciencesDivision of Pulmonary Medicine Publications PapersHelwig, J.R., Meltzer, L.J., Mindell, J.A., DuPaul, G.J., & Power, T.J. (June 2011). Sleep disturbance in children and adolescents with ADHD: Unique effects of stimulant medication, ADHD subtype, and comorbid status. Poster presented at the annual meeting of the Associated Professional Sleep Societies, Minneapolis, MN. BooksChapters Meltzer, L.J., Helwig, J.R. (2012). Sleep In adolescents. In R.J.R. Leveaque(Eds.) Encyclopedia of Adolescence. New York: Springer. DuPaul, G.J., Helwig, J.R., & Slay, P. (2009). Classroom interventions for attention and hyperactivity. In M.A. Bray & T.J. Kehle (Eds.) Oxford Handbook of School Psychology. New York: Oxford University Press.