2015
Obsessive–compulsive symptoms are associated with psychiatric comorbidities, behavioral and clinical problems: a population-based study of Brazilian school children
Alvarenga PG, do Rosario MC, Cesar RC, Manfro GG, Moriyama TS, Bloch MH, Shavitt RG, Hoexter MQ, Coughlin CG, Leckman JF, Miguel EC. Obsessive–compulsive symptoms are associated with psychiatric comorbidities, behavioral and clinical problems: a population-based study of Brazilian school children. European Child & Adolescent Psychiatry 2015, 25: 175-182. PMID: 26015374, DOI: 10.1007/s00787-015-0723-3.Peer-Reviewed Original ResearchConceptsFamily History ScreenObsessive-compulsive disorderObsessive-compulsive symptomsSchool-aged childrenChild Behavior ChecklistUnaffected controlsPediatric-onset obsessive-compulsive disorderPresence of OCSPopulation-based studyComorbid psychiatric disordersMajor depressive disorderWell-Being AssessmentOCD groupBrazilian school childrenGroup of childrenPsychiatric comorbidityDepressive disorderClinical impactFunctional impairmentPsychiatric disordersClinical problemOCS groupDiagnostic groupsSignificant socio-demographic differencesSocio-demographic differences
2005
Caudate volumes in childhood predict symptom severity in adults with Tourette syndrome
Bloch MH, Leckman JF, Zhu H, Peterson BS. Caudate volumes in childhood predict symptom severity in adults with Tourette syndrome. Neurology 2005, 65: 1253-1258. PMID: 16247053, PMCID: PMC2367161, DOI: 10.1212/01.wnl.0000180957.98702.69.Peer-Reviewed Original ResearchConceptsSeverity of ticsBasal ganglia volumesCaudate nucleus volumeTourette syndromeObsessive-compulsive symptomsGanglia volumesEarly adulthoodObsessive-compulsive disorderTic symptomsCaudate nucleusCaudate volumeCross-sectional imaging studiesThalamo-cortical circuitsNucleus volumeSeverity of symptomsAge 16 yearsProspective longitudinal studyAge 14 yearsClinical statusClinical assessmentClinical measuresMorphologic disturbancesMRI scansSymptomsImaging studies