2019
Common genetic variants have associations with human cortical brain regions and risk of schizophrenia
Bi X, Feng L, Wang S, Lin Z, Li T, Zhao B, Zhu H, Zhang H. Common genetic variants have associations with human cortical brain regions and risk of schizophrenia. Genetic Epidemiology 2019, 43: 548-558. PMID: 30941828, PMCID: PMC6559856, DOI: 10.1002/gepi.22203.Peer-Reviewed Original ResearchConceptsCortical regionsCortical brain regionsRisk of schizophreniaPrefrontal cortical regionsSymptom durationProdromal symptomsMental disordersSignificant associationBrain regionsCommon genetic variantsPhiladelphia Neurodevelopmental CohortPediatric imagingSchizophreniaNeurodevelopmental CohortCommon variantsHuman brainGenetic variantsHeritable mental disorderMagnetic resonanceAssociationWide association studyAssociation studiesGenetic effectsCohortSymptoms
2008
Joint Modeling of Time Series Measures and Recurrent Events and Analysis of the Effects of Air Quality on Respiratory Symptoms
Zhang H, Ye Y, Diggle P, Shi J. Joint Modeling of Time Series Measures and Recurrent Events and Analysis of the Effects of Air Quality on Respiratory Symptoms. Journal Of The American Statistical Association 2008, 103: 48-60. DOI: 10.1198/016214507000000185.Peer-Reviewed Original ResearchRespiratory symptomsRunny noseInfant symptomsCough incidenceCough symptomsMothers' symptomsInfant Health StudyRespiratory symptom dataRecurrent eventsMixed effects regression modelsRisk factorsHealth StudySignificant associationSymptom dataSymptomsInfantsSensitive childrenMothersSulfate levelsRegression modelsSignificant effectRiskNoseAssociationHigh levels
2006
Psychosocial stress predicts future symptom severities in children and adolescents with Tourette syndrome and/or obsessive‐compulsive disorder
Lin H, Katsovich L, Ghebremichael M, Findley DB, Grantz H, Lombroso PJ, King RA, Zhang H, Leckman JF. Psychosocial stress predicts future symptom severities in children and adolescents with Tourette syndrome and/or obsessive‐compulsive disorder. Journal Of Child Psychology And Psychiatry 2006, 48: 157-166. PMID: 17300554, PMCID: PMC3073143, DOI: 10.1111/j.1469-7610.2006.01687.x.Peer-Reviewed Original ResearchConceptsDepressive symptom severityFuture depressive symptomsHealthy control subjectsObsessive-compulsive disorderDepressive symptomsPsychosocial stressTourette syndromeSymptom severityControl subjectsLong-term contextual threatSeverity of ticsProspective longitudinal studyChronological ageIndependent predictorsOC symptomsTic severityOC symptom severityPsychosocial adversitySymptomsFuture symptom severityClinician ratingsSeverityParental reportsSignificant predictorsLongitudinal study
2001
Thermal Sensitivity in Tourette Syndrome: Preliminary Report
Scahill L, Lombroso P, Mack G, Van Wattum P, Zhang H, Vitale A, Leckman J. Thermal Sensitivity in Tourette Syndrome: Preliminary Report. Perceptual And Motor Skills 2001, 92: 419-432. PMID: 11361302, DOI: 10.2466/pms.2001.92.2.419.Peer-Reviewed Original ResearchConceptsTourette syndromeSubgroup of patientsAge of onsetAdult male subjectsCurrent ageTic symptomsDopaminergic pathwaysSex distributionCurrent severityMale subjectsMean differenceSyndromeControl periodPreliminary reportSweat rateAgeSymptomsSubjectsOverall courseDegrees COnsetPatientsIllnessSeverityCourse
2000
Model for the Analysis of Binary Time Series of Respiratory Symptoms
Zhang H, Triche E, Leaderer B. Model for the Analysis of Binary Time Series of Respiratory Symptoms. American Journal Of Epidemiology 2000, 151: 1206-1215. PMID: 10905533, DOI: 10.1093/oxfordjournals.aje.a010171.Peer-Reviewed Original ResearchConceptsDuration of symptomsRespiratory symptomsNew episodesStuffy nosePrior historyHistory of allergyDaily respiratory symptomsInfant Health StudyMeteorologic changesHealth StudySymptomsEpidemiologic researchDay careMarital statusIncidenceEnvironmental epidemiologic researchEpisodesMothersDurationSulfate levelsHusband's levelDemographic variablesNoseHigh levelsAllergy
1997
Symptoms of obsessive-compulsive disorder
Leckman JF, Grice DE, Boardman J, Zhang H, Vitale A, Bondi C, Alsobrook J, Peterson BS, Cohen DJ, Rasmussen SA, Goodman WK, McDougle CJ, Pauls DL. Symptoms of obsessive-compulsive disorder. American Journal Of Psychiatry 1997, 154: 911-917. PMID: 9210740, DOI: 10.1176/ajp.154.7.911.Peer-Reviewed Original ResearchConceptsObsessive-compulsive disorderMultiple psychological domainsYale-Brown Obsessive Compulsive Scale Symptom ChecklistTypes of obsessionsCompulsive Scale Symptom ChecklistSocial relatednessPsychological domainSymptom dimensionsPrincipal component factor analysisCorrelational relationshipsSymptom ChecklistDiverse motor behaviorsMotor behaviorFactor analysisExploratory analysisVarimax rotationTreatment response studiesObsessionDisordersIndependent groupsEmotionsCognitionPerceptionSymptomsCompulsion