2000
Premorbid Speech and Language Impairments in Childhood-Onset Schizophrenia: Association With Risk Factors
Nicolson R, Lenane M, Singaracharlu S, Malaspina D, Giedd JN, Hamburger SD, Gochman P, Bedwell J, Thaker GK, Fernandez T, Wudarsky M, Hommer DW, Rapoport JL. Premorbid Speech and Language Impairments in Childhood-Onset Schizophrenia: Association With Risk Factors. American Journal Of Psychiatry 2000, 157: 794-800. PMID: 10784474, DOI: 10.1176/appi.ajp.157.5.794.Peer-Reviewed Original ResearchConceptsChildhood-onset schizophreniaRisk factorsSchizophrenia spectrum disordersObstetrical complicationsMotor abnormalitiesDevelopmental impairmentMore obstetrical complicationsSmooth pursuit eye movementsChildhood-onset casesPathophysiology of schizophreniaEye-tracking dysfunctionLanguage-related brain regionsFamilial loading scoresFamilial risk factorsSocial impairmentNeurodevelopmental impairmentPremorbid abnormalitiesSpectrum disorderFamilial loadingPatientsLanguage impairmentBrain regionsSchizophreniaImpairmentAbnormalities
1999
Clinical and Neurobiological Correlates of Cytogenetic Abnormalities in Childhood-Onset Schizophrenia
Nicolson R, Giedd JN, Lenane M, Hamburger S, Singaracharlu S, Bedwell J, Fernandez T, Thaker GK, Malaspina D, Rapoport JL. Clinical and Neurobiological Correlates of Cytogenetic Abnormalities in Childhood-Onset Schizophrenia. American Journal Of Psychiatry 1999, 156: 1575-1579. PMID: 10518169, DOI: 10.1176/ajp.156.10.1575.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAge of OnsetBrainBrief Psychiatric Rating ScaleCerebral VentriclesChildChromosome AberrationsChromosome DeletionDevelopmental DisabilitiesFamilyFemaleHippocampusHumansIntelligence TestsMagnetic Resonance ImagingMalePrevalencePsychiatric Status Rating ScalesRisk FactorsSchizophreniaSchizophrenic PsychologyConceptsChildhood-onset schizophreniaCytogenetic abnormalitiesCytogenetic anomaliesEye tracking dysfunctionSubgroup of patientsChromosome 22q11 deletionNeurobiological correlatesRisk factor measuresSchizophrenia spectrum disordersObstetric complicationsGroup of childrenEtiologic contributionPathophysiologic roleChildhood onsetFragile X testingLower performance IQPatientsGreater impairmentAbnormalitiesDevelopmental impairmentEarly onsetChromosomal abnormalitiesSchizophreniaEarly ageImpairmentObstetrical Complications and Childhood-Onset Schizophrenia
Nicolson R, Malaspina D, Giedd JN, Hamburger S, Lenane M, Bedwell J, Fernandez T, Berman A, Susser E, Rapoport JL. Obstetrical Complications and Childhood-Onset Schizophrenia. American Journal Of Psychiatry 1999, 156: 1650-1652. PMID: 10518182, DOI: 10.1176/ajp.156.10.1650.Peer-Reviewed Original ResearchProgressive Cortical Change During Adolescence in Childhood-Onset Schizophrenia: A Longitudinal Magnetic Resonance Imaging Study
Rapoport JL, Giedd JN, Blumenthal J, Hamburger S, Jeffries N, Fernandez T, Nicolson R, Bedwell J, Lenane M, Zijdenbos A, Paus T, Evans A. Progressive Cortical Change During Adolescence in Childhood-Onset Schizophrenia: A Longitudinal Magnetic Resonance Imaging Study. JAMA Psychiatry 1999, 56: 649-654. PMID: 10401513, DOI: 10.1001/archpsyc.56.7.649.Peer-Reviewed Original ResearchConceptsChildhood-onset schizophreniaCortical gray matter volumeWhite matter volumeDisease-specific patternsGray matter volumeMatter volumeHealthy controlsCortical changesBrain tissueGray matterSchizophrenia groupLongitudinal magnetic resonance imaging studyBrain developmentBrain ventricular enlargementProgressive cortical changesMagnetic resonance imaging studyBrain magnetic resonanceEarly-onset schizophreniaTemporal gray matterAbnormal brain developmentResonance imaging studyVentricular enlargementMean ageOnset schizophreniaPatient's illness
1998
Brief Report: Association of Sex Chromosome Anomalies With Childhood-Onset Psychotic Disorders
KUMRA S, WIGGS E, KRASNEWICH D, MECK J, SMITH A, BEDWELL J, FERNANDEZ T, JACOBSEN L, LENANE M, RAPOPORT J. Brief Report: Association of Sex Chromosome Anomalies With Childhood-Onset Psychotic Disorders. Journal Of The American Academy Of Child & Adolescent Psychiatry 1998, 37: 292-296. PMID: 9519634, DOI: 10.1097/00004583-199803000-00014.Peer-Reviewed Original ResearchConceptsChildhood-onset schizophreniaPsychotic disordersPediatric patientsSex chromosome anomaliesSubgroup of patientsAdult-onset schizophreniaChromosome anomaliesLoss of balanceUnspecified psychosisTreatment trialsGeneral populationPatientsSex chromosome aneuploidyMental healthDisordersNational InstituteAffected individualsEnvironmental insultsCytogenetic screeningSchizophreniaChromosome aneuploidyChildrenClozapinePsychosisInsult