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Krieger, Fernanda Valle.; Polanczyk, Guilherme Vanoni; Goodman, Robert; Rohde, Luis Augusto; Graeff-Martins, Ana Soledade; Salum, Giovanni; Gadelha, Ary; Pan, Pedro; Stahl, Daniel; Stringaris, Argyris – Journal of the American Academy of Child & Adolescent Psychiatry, 2013
Objective: Investigating dimensions of oppositional symptoms may help to explain heterogeneity of etiology and outcomes for mental disorders across development and provide further empirical justification for the "DSM-5"-proposed modifications of oppositional defiant disorder (ODD). However, dimensions of oppositionality have not…
Descriptors: Psychopathology, Attention Deficit Hyperactivity Disorder, Symptoms (Individual Disorders), Depression (Psychology)
Aperecida da Silva, Maria; Cordeiro, Quirino; Louza, Mario; Vallada, Homero – Journal of Attention Disorders, 2011
Objective: To investigate a possible association between a 3'UTR VNTR polymorphism of the dopamine transporter gene (SLC6A3) and ADHD in a Brazilian sample of adult patients. Method: Study Case-control with 102 ADHD adult outpatients ("DSM-IV" criteria) and 479 healthy controls. The primers' sequence used were: 3'UTR-Forward: 5' TGT GGT…
Descriptors: Attention Deficit Hyperactivity Disorder, Patients, Adults, Correlation
Cordeiro, Mara L.; Farias, Antonio C.; Cunha, Alexandre; Benko, Cassia R.; Farias, Lucilene G.; Costa, Maria T.; Martins, Leandra F.; McCracken, James T. – Journal of Attention Disorders, 2011
Objective: The validity of a diagnosis of ADHD in children with a high intelligence quotient (IQ) remains controversial. Using a multidisciplinary approach, rigorous diagnostic criteria, and worldwide-validated psychometric instruments, we identified a group of children attending public schools in southern Brazil for co-occurrence of high IQ and…
Descriptors: Learning Problems, Public Schools, Interdisciplinary Approach, Attention Deficit Hyperactivity Disorder
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Fleitlich-Bilyk, Back; Goodman, Robert – Journal of the American Academy of Child and Adolescent Psychiatry, 2004
Objective: To describe the prevalence of DSM-IV disorders and the pattern of comorbidity in a population-based sample of 7- to 14-year-old Brazilian schoolchildren. Method: Random sampling of schools (stratified into private, public rural, and public urban) was followed by random sampling of pupils from school lists. In 2000-2001, a total of 1,251…
Descriptors: Program Effectiveness, Foreign Countries, Psychiatry, Incidence