2024
Association Between Juvenile Psychotic Experiences and Problematic Gaming
Fernandes A, Biokino R, Miguel A, Machado V, Koga G, Fonseca L, Pan P, Roza T, Salum G, Passos I, Rohde L, Miguel E, Ziebold C, Gadelha A. Association Between Juvenile Psychotic Experiences and Problematic Gaming. Schizophrenia Bulletin Open 2024, 5: sgae021. PMID: 39296676, PMCID: PMC11408271, DOI: 10.1093/schizbullopen/sgae021.Peer-Reviewed Original ResearchPsychotic experiencesProblematic gamingGame addictionDSM-IVBrazilian community sampleDSM-IV diagnosisMental health conditionsCommunity samplePsychiatric disordersCross-sectional subsamplePsychiatric conditionsAssociated with significant adverse outcomesReport PEBehavioral pathwaysLevels of PESignificant adverse outcomesAssociated with PEPE scoresSociodemographic variablesAdverse outcomesBrazilian cohortDisordersParticipantsHealth conditionsLinear regression analysisChildhood Anxiety Symptoms as a Predictor of Psychotic Experiences in Adolescence in a High-Risk Cohort for Psychiatric Disorders
Machado V, Fonseca L, Barbosa M, Bressan R, Pan P, Rohde L, Miguel E, Salum G, Ziebold C, Gadelha A. Childhood Anxiety Symptoms as a Predictor of Psychotic Experiences in Adolescence in a High-Risk Cohort for Psychiatric Disorders. Schizophrenia Bulletin Open 2024, 5: sgae003. PMID: 39144118, PMCID: PMC11207689, DOI: 10.1093/schizbullopen/sgae003.Peer-Reviewed Original ResearchBrazilian High-Risk CohortCross-lagged panel modelChildhood anxiety symptomsPsychotic experiencesAnxiety symptomsSubclinical psychotic symptomsContinuum of psychosisStandardized self-report questionnairesTime-lagged associationsCross-lagged effectsIncreased levels of anxietySelf-report questionnairesLevels of anxietyPsychosis pronenessPsychotic symptomsPsychiatric disordersSymptom domainsMental illnessAnxietyHigh-risk cohortAnxiety scoresPsychosisAdolescentsPE scoresPanel model
2023
Longitudinal invariance of psychotic experiences in children and adolescents: What do the data tell us?
Barbosa M, Machado V, Ziebold C, Moriyama T, Bressan R, Pan P, Rohde L, Miguel E, Fonseca L, Van Os J, Gadelha A. Longitudinal invariance of psychotic experiences in children and adolescents: What do the data tell us? Schizophrenia Research 2023, 255: 33-40. PMID: 36958268, DOI: 10.1016/j.schres.2023.03.003.Peer-Reviewed Original ResearchConceptsPsychotic experiencesTime pointsHigh-risk cohortPrevious systematic reviewDifferent age groupsDifferent time pointsBaseline evaluationLifetime psychotic experiencesPositive symptomsSystematic reviewAge groupsPerceptual abnormalitiesLongitudinal studyBrazilian High-Risk CohortPsychosis pronenessGood model fit indicesThree-factor solutionChildren
2019
Differences Between Self-Reported Psychotic Experiences, Clinically Relevant Psychotic Experiences, and Attenuated Psychotic Symptoms in the General Population
Moriyama T, van Os J, Gadelha A, Pan P, Salum G, Manfro G, de Jesus Mari J, Miguel E, Rohde L, Polanczyk G, McGuire P, Bressan R, Drukker M. Differences Between Self-Reported Psychotic Experiences, Clinically Relevant Psychotic Experiences, and Attenuated Psychotic Symptoms in the General Population. Frontiers In Psychiatry 2019, 10: 782. PMID: 31736802, PMCID: PMC6829673, DOI: 10.3389/fpsyt.2019.00782.Peer-Reviewed Original ResearchSelf-reported psychotic experiencesPsychotic symptomsPsychotic experiencesAffective flatteningHigh Risk Cohort StudyAttenuated Psychotic SymptomsChild mental healthCohort studyStrength of associationFemale sexClinical assessmentLevels of psychopathologyGeneral populationPsychiatric disordersClinical relevanceEarly interventionMental healthIndependent interviewerMost associationsParent informationSymptomsAssociationPresent studyPsychopathologyPsychologists' assessment
2018
Childhood trauma and adolescent psychotic experiences in a community-based cohort: The potential role of positive attributes as a protective factor
Pan P, Gadelha A, Argolo F, Hoffmann M, Arcadepani F, Miguel E, Rohde L, McGuire P, Salum G, Bressan R. Childhood trauma and adolescent psychotic experiences in a community-based cohort: The potential role of positive attributes as a protective factor. Schizophrenia Research 2018, 205: 23-29. PMID: 30879477, DOI: 10.1016/j.schres.2018.06.044.Peer-Reviewed Original ResearchConceptsChildhood traumaPsychotic experiencesPositive attributesSelf-reported psychotic experiencesIndirect effectsBaseline psychotic experiencesHigh childhood traumaMediation modelAdolescent psychotic experiencesYear old childrenPersonality characteristicsProtective factorsPreventive interventionsBehavioral traitsHigh levelsIndirect pathwaysChildrenTraumaPsychologistsAdolescenceExperienceParentsRelationshipAttributesTime pointsF168. PSYCHOTIC EXPERIENCE AND ADOLESCENT BRAIN TRAJECTORY: EVIDENCE FOR STRUCTURAL ALTERATIONS IN DOPAMINERGIC REGIONS
Zugman A, Gadelha A, Argolo F, Pan P, Rohde L, Miguel E, Bressan R, Jackowski A. F168. PSYCHOTIC EXPERIENCE AND ADOLESCENT BRAIN TRAJECTORY: EVIDENCE FOR STRUCTURAL ALTERATIONS IN DOPAMINERGIC REGIONS. Schizophrenia Bulletin 2018, 44: s286-s286. PMCID: PMC5888229, DOI: 10.1093/schbul/sby017.699.Peer-Reviewed Original ResearchCortical thickness measuresMental disordersCortical thicknessPsychotic experiencesSubcortical volumesLower subcortical volumesHigh-risk cohortCurrent psychiatric diagnosisPathogenesis of schizophreniaCurrent psychotic disorderAge interaction termMultiple comparisonsMulti-site longitudinal studyCommunity cohortDopaminergic neurotransmissionSubsequent riskDopaminergic imbalanceRight putamenBrain developmental trajectoriesMRI scansPsychiatric diagnosisPsychotic disordersBaseline assessmentCaudateAdolescent brainThe association between psychotic experiences and traumatic life events: the role of the intention to harm
Moriyama T, Drukker M, Gadelha A, Pan P, Salum G, Manfro G, de Jesus Mari J, Miguel E, Rohde L, Polanczyk G, van Os J, Bressan R. The association between psychotic experiences and traumatic life events: the role of the intention to harm. Psychological Medicine 2018, 48: 2235-2246. PMID: 29331167, DOI: 10.1017/s0033291717003762.Peer-Reviewed Original ResearchConceptsTraumatic life eventsPsychotic experiencesLife eventsType of traumaTraumatic exposureTraumatic experiencesPositive associationMental healthTrauma categoriesChildren's exposureIntentionGreater levelsAccount potential confoundersMethods of assessmentExperiencePsychologistsBullyingAdolescentsDose of exposureTraumaStrong associationClinical confoundersBiasesDemographic characteristicsPotential confounders