2024
The association between aberrant salience and psychotic experiences in general population twins, and genetic vulnerability as a modifier
Drukker M, Todor T, Bongaarts J, Broggi E, Kelkar M, Wigglesworth T, Verhiel K, van Leeuwen K, Koster M, Derom C, Thiery E, De Hert M, Menne-Lothmann C, Decoster J, Collip D, van Winkel R, Jacobs N, Guloksuz S, Rutten B, van Os J. The association between aberrant salience and psychotic experiences in general population twins, and genetic vulnerability as a modifier. BMC Psychiatry 2024, 24: 736. PMID: 39462331, PMCID: PMC11515186, DOI: 10.1186/s12888-024-06176-2.Peer-Reviewed Original ResearchConceptsAberrant salienceGeneral population twinsPsychotic experiencesGenetic vulnerabilityGeneral population samplePsychotic symptomsAssociated with psychotic experiencesUltra-high-risk patientsPositive symptom scalesSubclinical psychotic symptomsWhite noise taskEpisode psychosis patientsAssociated with psychosisPopulation samplePsychosis spectrumPsychosis patientsSymptom ScaleNoise taskSaliencePsychosisSevere endVulnerabilitySymptomsTaskAssociationThe relationship between childhood trauma, psychotic symptoms, and cognitive schemas in patients with schizophrenia, their siblings, and healthy controls: results from the EU-GEI study.
Üçok A, Noyan H, Gülöksüz S, Saka M, Alptekin K, Atbaşoğlu C, Akturan E, Karadayı G, Baran Tatar Z, Akdede B, Binbay T, Altınyazar V, Ulaş H, Yalınçetin B, Gümüş-Akay G, Cihan B, Soygür H, Şahin Cankurtaran E, Ulusoy Kaymak S, Rutten B, van Os J. The relationship between childhood trauma, psychotic symptoms, and cognitive schemas in patients with schizophrenia, their siblings, and healthy controls: results from the EU-GEI study. Psychological Medicine 2024, 54: 2414-2425. PMID: 38606591, DOI: 10.1017/s0033291724000540.Peer-Reviewed Original ResearchNegative cognitive schemasChildhood traumaCognitive schemasPsychotic symptomsEU-GEIEmotional abuseBrief Core Schema ScalesEU-GEI studySubthreshold psychotic experiencesSubtypes of traumaChildhood emotional abuseChildhood Trauma QuestionnaireNon-clinical populationsHealthy controlsNegative schemasPositive symptomsPersecutory delusionsPsychotic experiencesSchema ScaleTrauma QuestionnaireChildhood abuseSymptom severitySchizophreniaSexual abuseAbuse
2023
Associations between genetic liabilities to smoking behavior and schizophrenia symptoms in patients with a psychotic disorder, their siblings and healthy controls
Lin B, Vermeulen J, Bolhuis K, Chang X, Schirmbeck F, van Eijk K, investigators G, Alizadeh B, Bartels-Velthuis A, van Amelsvoort T, Bruggeman R, Cahn W, de Haan L, Rutten B, Guloksuz S, Luykx J, van Os J, Simons C, van Winkel R, Guloksuz S, Blankers M, van den Brink W, de Haan L, Luykx J. Associations between genetic liabilities to smoking behavior and schizophrenia symptoms in patients with a psychotic disorder, their siblings and healthy controls. Psychiatry Research 2023, 323: 115143. PMID: 36948018, DOI: 10.1016/j.psychres.2023.115143.Peer-Reviewed Original ResearchConceptsHealthy controlsSmoking behaviorPsychotic symptomsSchizophrenia symptomsUnaffected siblingsProspective cohort studySix-year followMental health symptomsSymptom dimensionsCohort studyRisk factorsDepressive symptomsPsychotic disordersPatientsPositive symptomsHealth symptomsNegative symptomsSimilar effect sizesSymptomsLinear mixed-effects modelsMixed-effects modelsGenetic riskMean numberPolygenic scoresOverall sample
2021
What makes the psychosis ‘clinical high risk’ state risky: psychosis itself or the co-presence of a non-psychotic disorder?
Hasmi L, Pries L, Have M, de Graaf R, van Dorsselaer S, Bak M, Kenis G, Richards A, Lin B, O'Donovan M, Luykx J, Rutten B, Guloksuz S, van Os J. What makes the psychosis ‘clinical high risk’ state risky: psychosis itself or the co-presence of a non-psychotic disorder? Epidemiology And Psychiatric Sciences 2021, 30: e53. PMID: 34225831, PMCID: PMC8264801, DOI: 10.1017/s204579602100041x.Peer-Reviewed Original ResearchConceptsNon-psychotic disordersClinical high-risk stateClinical high riskHigh-risk stateHigh riskPsychotic symptomsPsychotic experiencesProspective general population cohortEarly psychotic experiencesIncident psychotic experiencesGeneral population cohortHealth service usePsychosis risk statesDrug use disordersPositive family historySchizophrenia polygenic risk scoresPsychosis incidenceAntipsychotic medicationYearly incidenceFamily historyPolygenic risk scoresRisk scoreAPS researchPRS-SZService useThe trough of disillusionment: A critique of the “transition” paradigm
Gülöksüz S. The trough of disillusionment: A critique of the “transition” paradigm. European Psychiatry 2021, 64: s17-s17. PMCID: PMC9471660, DOI: 10.1192/j.eurpsy.2021.68.Peer-Reviewed Original Research
2019
Evidence for interaction between genetic liability and childhood trauma in the development of psychotic symptoms
Pinckaers F, Rotee I, Nwosu C, Krolinski P, Smeets A, Gülöksüz S, de Jong L, Vaessen T, Damen T, Uittenboogaard A, Schäfer A, Menne-Lothmann C, Decoster J, van Winkel R, Collip D, Delespaul P, De Hert M, Derom C, Thiery E, Jacobs N, Wichers M, Rutten B, van Os J, Drukker M. Evidence for interaction between genetic liability and childhood trauma in the development of psychotic symptoms. Social Psychiatry And Psychiatric Epidemiology 2019, 54: 1045-1054. PMID: 31209522, DOI: 10.1007/s00127-019-01711-z.Peer-Reviewed Original ResearchConceptsChildhood traumaGenetic liabilityImpact of CTSymptom Checklist-90 scoresMixed-effects linear regression analysisSubthreshold psychotic experiencesChildhood Trauma Questionnaire-Short FormExpression of psychosisGeneral population twinsQuestionnaire-Short FormPsychosis expressionMultilevel mixed-effects linear regression analysesRisk factorsPsychotic symptomsSymptom subscalesLinear regression analysisSubthreshold expressionTotal scoreStatistical significancePsychic Experience (CAPE) questionnaireRegression analysis
2018
Need for evidence-based early intervention programmes: a public health perspective
Guloksuz S, van Os J. Need for evidence-based early intervention programmes: a public health perspective. BMJ Mental Health 2018, 21: 128. PMID: 30282627, PMCID: PMC10270415, DOI: 10.1136/ebmental-2018-300030.Peer-Reviewed Original ResearchConceptsClinical high riskUltra-high riskPsychotic symptomsEarly intervention programsSpecific effective treatmentBroader prevention strategiesIntervention programsPositive psychotic symptomsPublic health impactPublic health perspectivePrognostic accuracyHelp-seeking populationEffective treatmentHigh riskPsychosis benefitPrevention strategiesRisk enrichmentPredictive valueTherapeutic interventionsMeta-analytical evidenceSymptomsHealth perspectiveEarly psychopathologyHealth impactsAssessment tool
2016
Exposure to environmental factors increases connectivity between symptom domains in the psychopathology network
Guloksuz S, van Nierop M, Bak M, de Graaf R, ten Have M, van Dorsselaer S, Gunther N, Lieb R, van Winkel R, Wittchen H, van Os J. Exposure to environmental factors increases connectivity between symptom domains in the psychopathology network. BMC Psychiatry 2016, 16: 223. PMID: 27391407, PMCID: PMC4939022, DOI: 10.1186/s12888-016-0935-1.Peer-Reviewed Original ResearchConceptsMental disordersSymptom dimensionsNetherlands Mental Health SurveyNEMESIS-1Symptom connectivityContinuous symptom dimensionsEnvironmental exposuresSelf-report Symptom Checklist-90Mental Health SurveySymptom Checklist-90Health SurveyPsychotic symptomsIncidence studyPopulation cohortSelf-reported psychopathologyConclusionsOur findingsDiagnostic categoriesSymptom domainsIndependent population cohortsRisk loadPsychopathology StudyDisordersRegression analysisCohortSymptoms
2011
P01-239 - The effects of childhood trauma on psychotic symptoms in bipolar disorder
Ozkose M, Guclu O, Guloksuz S, Karaca O, Yildirim B, Ince B, Erkmen H. P01-239 - The effects of childhood trauma on psychotic symptoms in bipolar disorder. European Psychiatry 2011, 26: 240. DOI: 10.1016/s0924-9338(11)71950-2.Peer-Reviewed Original ResearchYoung Mania Rating ScaleMontgomery-Asperg Depression Rating ScalePsychotic episodeBipolar patientsBipolar disorderChildhood Trauma QuestionnaireChildhood traumaPsychotic symptomsRating ScaleDuration of illnessSexual abuse scoresDepression Rating ScaleMania Rating ScaleStandard treatment planTerms of ageAbuse scoresDSM-IV-TRBakirkoy ResearchInpatient unitPatientsTraining hospitalsPhysical abuse scoresPositive symptomsTherapeutic interventionsTreatment plan