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  • Judith K Sinzig, Dagmar Morsch, Nicole Bruning, Martin H. Schmidt, Gerd Lehmkuhl
  • Medicine
  • Child and adolescent psychiatry and mental health
  • 2008 (First Publication: 31 January 2008)
  • BackgroundRecent studies have not paid a great deal of attention to comorbid attention-deficit/hyperactivity disorder (ADHD) symptoms in autistic children even though it is well known that almostExpand
  • Judith K Sinzig, Dagmar Morsch, Gerd Lehmkuhl
  • Psychology, Medicine
  • European Child & Adolescent Psychiatry
  • 2007 (First Publication: 1 March 2008)
  • Psychopathological, genetic and neuropsychological findings indicate an association between autism and attention deficit/hyperactivity disorder (ADHD). The goal of this study was to assess possibleExpand
  • Ingrid Schubert, Ingrid Köster, Gerd Lehmkuhl
  • Medicine
  • Deutsches Arzteblatt international
  • 2010 (First Publication: 1 September 2010)
  • BACKGROUND The goal of this study is to assess changes in the prevalence of attention-deficit/hyperactivity disorder (ADHD) and methylphenidate prescriptions over the period 2000 to 2007 on the basisExpand
  • Michael Schredl, Leonie Fricke-Oerkermann, Alexander Mitschke, Alfred H. Wiater, Gerd Lehmkuhl
  • Psychology, Medicine
  • Child psychiatry and human development
  • 2009 (First Publication: 1 September 2009)
  • Nightmares are defined as dreams with strong negative emotions which awaken the dreamer and are common during childhood: cross-sectional data shows the highest prevalence rates between the ages ofExpand
  • Martin Holtmann, Franca Pörtner, Eftichia Duketis, Hans-Henning Flechtner, Jules Angst, Gerd Lehmkuhl
  • Psychology, Medicine
  • Journal of adolescence
  • 2009 (First Publication: 1 October 2009)
  • We tested the psychometric properties of the Hypomania Checklist (HCL-32) in a sample of nonclinical adolescents, examined the association with current psychopathology, and tested if "hypomanic"Expand
  • Johannes Hebebrand, B Klug, +12 authors Helmut Remschmidt
  • Psychology, Medicine
  • Journal of psychiatric research
  • 1997 (First Publication: 1 September 1997)
  • The aim of this study was to assess rates for tic disorders and obsessive compulsive psychopathology in families of children and adolescents with Gilles de la Tourette syndrome (TS). Diagnoses wereExpand