2022
Bidirectional relationships between cannabis use, anxiety and depressive symptoms in the mediation of the association with psychotic experience: further support for an affective pathway to psychosis
Radhakrishnan R, Pries LK, Erzin G, Have M, de Graaf R, van Dorsselaer S, Gunther N, Bak M, Rutten BPF, van Os J, Guloksuz S. Bidirectional relationships between cannabis use, anxiety and depressive symptoms in the mediation of the association with psychotic experience: further support for an affective pathway to psychosis. Psychological Medicine 2022, 53: 5551-5557. PMID: 36093677, PMCID: PMC10482707, DOI: 10.1017/s0033291722002756.Peer-Reviewed Original ResearchConceptsAnxiety/depressive symptomsDepressive symptomsCannabis usePE incidencePsychotic experiencesFirst longitudinal cohort studyNetherlands Mental Health SurveyLongitudinal cohort studyMental Health SurveyRole of cannabisBidirectional relationshipCohort studyHealth SurveyIncidence studyAffective symptomsSymptomsCannabisEducation statusLongitudinal studyPsychosisIncidenceAnxietyTemporal relationshipMediation analysisFurther supportThe association between cannabis use and facial emotion recognition in schizophrenia, siblings, and healthy controls: Results from the EUGEI study
Fusar-Poli L, Pries LK, van Os J, Radhakrishnan R, Pençe AY, Erzin G, Delespaul P, Kenis G, Luykx JJ, Lin BD, Akdede B, Binbay T, Altınyazar V, Yalınçetin B, Gümüş-Akay G, Cihan B, Soygür H, Ulaş H, Cankurtaran EŞ, Kaymak SU, Mihaljevic MM, Andric-Petrovic S, Mirjanic T, Bernardo M, Mezquida G, Amoretti S, Bobes J, Saiz PA, García-Portilla MP, Sanjuan J, Aguilar EJ, Santos JL, Jiménez-López E, Arrojo M, Carracedo A, López G, González-Peñas J, Parellada M, Maric NP, Atbaşoğlu C, Üçok A, Alptekin K, Saka MC, investigators G, Aguglia E, Arango C, Rutten BP, Guloksuz S. The association between cannabis use and facial emotion recognition in schizophrenia, siblings, and healthy controls: Results from the EUGEI study. European Neuropsychopharmacology 2022, 63: 47-59. PMID: 36055075, DOI: 10.1016/j.euroneuro.2022.08.003.Peer-Reviewed Original ResearchConceptsHealthy controlsCannabis useDegraded Facial Affect Recognition TaskPresent cross-sectional studyCross-sectional studyHigh genetic riskProgression of schizophreniaRegular cannabis useCognitive disturbancesRegular cannabisPsychosis riskPatientsSchizophreniaFacial emotion recognition performanceGenetic riskCannabisCurrent cannabisEUGEI studyLongitudinal studyAgeSiblingsAssociationRiskOnsetEffect relationshipEditorial: Gone to Pot: Examining the Association Between Cannabis Use and Medical/Psychiatric Disorders
Radhakrishnan R, Guloksuz S, D'Souza DC, van Os J. Editorial: Gone to Pot: Examining the Association Between Cannabis Use and Medical/Psychiatric Disorders. Frontiers In Psychiatry 2022, 13: 837757. PMID: 35211046, PMCID: PMC8861305, DOI: 10.3389/fpsyt.2022.837757.Peer-Reviewed Original ResearchPsychiatric disordersCannabis use
2021
Schizophrenia and the Environment: Within-Person Analyses May be Required to Yield Evidence of Unconfounded and Causal Association—The Example of Cannabis and Psychosis
van Os J, Pries L, Have M, de Graaf R, van Dorsselaer S, Bak M, Wittchen H, Rutten B, Guloksuz S. Schizophrenia and the Environment: Within-Person Analyses May be Required to Yield Evidence of Unconfounded and Causal Association—The Example of Cannabis and Psychosis. Schizophrenia Bulletin 2021, 47: 594-603. PMID: 33693921, PMCID: PMC8084443, DOI: 10.1093/schbul/sbab019.Peer-Reviewed Original ResearchConceptsFixed-effects modelCannabis usePsychotic experiencesGeneral population cohortRandom-effects modelMental health outcomesRisk factorsTime-varying confoundersProspective associationsPopulation cohortHealth outcomesOwn controlCausal associationPsychosisCannabisLongitudinal studyAssociationBetween-person levelConfoundersCohortIncidenceSchizophrenia
2019
20.4 EXAMINING THE ASSOCIATION BETWEEN CANNABIS USE AND PSYCHOSIS ACROSS THE SPECTRA OF EXPOSURE AND PHENOTYPE
Guloksuz S, Delespaul P, Rutten B, van Os J, Investigators I. 20.4 EXAMINING THE ASSOCIATION BETWEEN CANNABIS USE AND PSYCHOSIS ACROSS THE SPECTRA OF EXPOSURE AND PHENOTYPE. Schizophrenia Bulletin 2019, 45: s122-s123. PMCID: PMC6455733, DOI: 10.1093/schbul/sbz022.083.Peer-Reviewed Original ResearchCannabis use
2015
Evidence that the presence of psychosis in non-psychotic disorder is environment-dependent and mediated by severity of non-psychotic psychopathology
Guloksuz S, van Nierop M, Lieb R, van Winkel R, Wittchen H, van Os J. Evidence that the presence of psychosis in non-psychotic disorder is environment-dependent and mediated by severity of non-psychotic psychopathology. Psychological Medicine 2015, 45: 2389-2401. PMID: 25804288, DOI: 10.1017/s0033291715000380.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAdult Survivors of Child Adverse EventsDiagnostic and Statistical Manual of Mental DisordersEnvironmental ExposureFemaleGermanyHelp-Seeking BehaviorHumansMaleModels, PsychologicalMood DisordersObsessive-Compulsive DisorderPsychopathologyPsychotic DisordersRisk FactorsSeverity of Illness IndexSubstance-Related DisordersUrban PopulationYoung AdultConceptsNon-psychotic disordersNon-psychotic psychopathologyRisk factorsMood disordersPsychotic experiencesHelp-seeking behaviorDSM-IV mood disordersEnvironmental exposuresSevere clinical stateDose-response fashionEnvironmental risk factorsPresence of psychosisIndex of severitySubthreshold psychotic experiencesIllness severityClinical stateGeneral psychopathologyCannabis useDisordersSeverityCompulsive disorderPsychotic psychopathologyPsychosisPsychopathologyTrauma