2024
Neighborhood ethnoracial diversity and positive psychotic symptoms among youth at high-risk and healthy comparisons
Ku B, Yuan Q, Haardörfer R, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Woods S, Druss B, Walker E, Anglin D. Neighborhood ethnoracial diversity and positive psychotic symptoms among youth at high-risk and healthy comparisons. Psychiatry Research 2024, 342: 116222. PMID: 39378539, DOI: 10.1016/j.psychres.2024.116222.Peer-Reviewed Original ResearchHealthy comparisonPositive symptomsCHR-PPeer victimizationNorth American Prodrome Longitudinal StudyScale of Prodromal SymptomsAttenuated positive symptomsPositive psychotic symptomsClinical high riskFewer life eventsAssociated with schizophreniaEthnoracial diversityPsychotic symptomsHigh riskPrevent psychosisDepressive symptomsStructural equation modelingLife eventsProdromal symptomsPsychosisDiscriminatory experiencesEthnoracial minoritiesSocial determinantsNeighborhood povertyEthnoracial groupsImpact of adverse childhood experiences on risk for internalizing psychiatric disorders in youth at clinical high-risk for psychosis
Giampetruzzi E, Walker E, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Woods S, LoPilato A. Impact of adverse childhood experiences on risk for internalizing psychiatric disorders in youth at clinical high-risk for psychosis. Psychiatry Research 2024, 342: 116214. PMID: 39368239, DOI: 10.1016/j.psychres.2024.116214.Peer-Reviewed Original ResearchAdverse childhood experiencesClinical high riskEffects of protective factorsInternalizing disordersDepressive disorderCHR-PEmotional neglectSelf-harm/suicideProtective factorsChildhood experiencesHigher levels of adverse childhood experiencesHistory of depressive disorderSexual abuseLevels of adverse childhood experiencesInternalizing psychiatric disordersChildhood sexual abusePresence of protective factorsImpact of adverse childhood experiencesAnxiety disordersAdministered measuresPsychiatric diagnosisPsychiatric disordersPsychiatric outcomesChild adversitySubstance useBeyond the Descriptive: A Comprehensive, Multi-domain Validation of Symptom Trajectories for Individuals at Clinical High Risk for Psychosis
Deng W, Chong B, Addington J, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Walker E, Woods S, Cannon T. Beyond the Descriptive: A Comprehensive, Multi-domain Validation of Symptom Trajectories for Individuals at Clinical High Risk for Psychosis. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2024 PMID: 39260565, DOI: 10.1016/j.bpsc.2024.08.020.Peer-Reviewed Original ResearchClinical high riskCHR-PTrajectory groupsMaintenance of symptomsOnset of psychosisNon-convertersHealthy controlsDiagnostic constructSymptom trajectoriesPsychosisAffective comorbiditiesAssess symptomsHeightened riskFunctional impairmentSymptomsEtiological risk factorsFunctional outcomesImminent onsetLevels of intensityRemissionRisk factorsIndividualsPhase 3DistressImpairmentPolygenic Risk Scores and Twin Concordance for Schizophrenia and Bipolar Disorder
Song J, Pasman J, Johansson V, Kuja-Halkola R, Harder A, Karlsson R, Lu Y, Kowalec K, Pedersen N, Cannon T, Hultman C, Sullivan P. Polygenic Risk Scores and Twin Concordance for Schizophrenia and Bipolar Disorder. JAMA Psychiatry 2024, 81 PMID: 39196586, PMCID: PMC11359115, DOI: 10.1001/jamapsychiatry.2024.2406.Peer-Reviewed Original ResearchPolygenic risk scoresGenome-wide association studiesSwedish Twin RegistryBipolar disorderCase-control studyTwin concordanceTwin heritabilityLevels of polygenic risk scoreTwin RegistrySwedish national register dataCompare polygenic risk scoresRisk scoreNational register dataHeritable psychiatric disorderAffected co-twinsPairs of twinsPsychosis phenotypeIllness vulnerabilityClinical interviewPsychiatric disordersGenetic liabilityMain OutcomesStructural equation modelingPsychosisSchizophreniaUnique functional neuroimaging signatures of genetic versus clinical high risk for psychosis
Schleifer C, Chang S, Amir C, O'Hora K, Fung H, Kang J, Kushan-Wells L, Daly E, Di Fabio F, Frascarelli M, Gudbrandsen M, Kates W, Murphy D, Addington J, Anticevic A, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Walker E, Woods S, Uddin L, Kumar K, Hoftman G, Bearden C. Unique functional neuroimaging signatures of genetic versus clinical high risk for psychosis. Biological Psychiatry 2024 PMID: 39181389, DOI: 10.1016/j.biopsych.2024.08.010.Peer-Reviewed Original ResearchBrain signal variabilityClinical high riskCHR individualsTD controlsSubthreshold psychosis symptomsResting-state functional MRIFunctional brain alterationsAssociated with psychosisFunctional brain measuresGroup difference mapCopy number variantsCase-control differencesPsychosis symptomsNeural substratesBrain alterationsBrain measuresLocal connectivityFunctional MRIFunctional connectivityCortical regionsNeuroimaging signaturesNeurodevelopmental disordersPsychosisHigh riskBrain mappingSleep disturbance, suicidal ideation and psychosis-risk symptoms in individuals at clinical high risk for psychosis
Cohen S, Goldsmith D, Ning C, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Seidman L, Stone W, Tsuang M, Woods S, Walker E, Miller B. Sleep disturbance, suicidal ideation and psychosis-risk symptoms in individuals at clinical high risk for psychosis. Psychiatry Research 2024, 341: 116147. PMID: 39197223, DOI: 10.1016/j.psychres.2024.116147.Peer-Reviewed Original ResearchPsychosis-risk symptomsClinical high riskSuicidal ideationCHR-P individualsCHR-PSleep disturbanceTerminal insomniaNorth American Prodrome Longitudinal StudyAssociated with conversion to psychosisSleep problemsConversion to psychosisTreatment of sleep disturbancesAssociated with SIIndices of sleep disturbanceMultiple indicesPsychosisIdeationLongitudinal intervention studyInsomniaLongitudinal studySchizophreniaSymptomsSleepSymptom scoresInvestigate relationshipsOccasional cannabis use is associated with higher premorbid functioning and IQ in youth at clinical high-risk (CHR) for psychosis: Parallel findings to psychosis cohorts
Kennedy L, Ku B, Addington J, Amir C, Bearden C, Cannon T, Carrión R, Cornblatt B, Keshavan M, Perkins D, Mathalon D, Stone W, Walker E, Woods S, Cadenhead K. Occasional cannabis use is associated with higher premorbid functioning and IQ in youth at clinical high-risk (CHR) for psychosis: Parallel findings to psychosis cohorts. Schizophrenia Research 2024, 271: 319-331. PMID: 39084107, DOI: 10.1016/j.schres.2024.07.032.Peer-Reviewed Original ResearchClinical high riskCannabis use frequencyPremorbid functioningCannabis usePsychosis cohortSocial functioningCannabis usersAssociated with greater symptom severityAssociated with better neurocognitionNorth American Prodrome Longitudinal StudyClinical high-risk participantsClinical high-risk youthClinical high-risk populationsUse groupRates of cannabis useCannabis use groupsMeasures of IQCannabis use patternsGreater symptom severityHigher premorbid functioningFollow-up analysisPsychosis sampleHigher IQNeurocognitive domainsFirst-episodeWhole genome sequencing study of identical twins discordant for psychosis
Ormond C, Ryan N, Hedman A, Cannon T, Sullivan P, Gill M, Hultman C, Heron E, Johansson V, Corvin A. Whole genome sequencing study of identical twins discordant for psychosis. Translational Psychiatry 2024, 14: 313. PMID: 39080272, PMCID: PMC11289105, DOI: 10.1038/s41398-024-02982-0.Peer-Reviewed Original ResearchConceptsCopy number variantsSequencing studiesGenic copy number variantsWhole-genome sequencing studiesRare genic copy number variantsDeleterious missense variantsWhole-genome sequencingExome sequencing studiesGenome sequencing studiesMZ twinsPost-zygotic eventsPairs of MZ twinsGenome sequenceIdentical genomesDNA variantsMissense variantsOverlapped genesPsychotic phenotypesPsychotic disordersBipolar disorderRare variantsMZ twin studiesPhenotypic discordanceTwin studiesTwin pairsRobust Brain Correlates of Cognitive Performance in Psychosis and its Prodrome
Ward H, Beermann A, Xie J, Yildiz G, Felix K, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Seidman L, Stone W, Tsuang M, Walker E, Woods S, Coleman M, Bouix S, Holt D, Öngür D, Breier A, Shenton M, Heckers S, Halko M, Lewandowski K, Brady R. Robust Brain Correlates of Cognitive Performance in Psychosis and its Prodrome. Biological Psychiatry 2024 PMID: 39032726, DOI: 10.1016/j.biopsych.2024.07.012.Peer-Reviewed Original ResearchAuditory continuous performance taskConnectome-wide association studiesEarly psychosisCognitive performanceNorth American Prodrome Longitudinal Study 2At-risk individualsCorrelates of cognitive performanceBrain-cognition relationshipsBrain-phenotype relationshipsBrain-behavior associationsContinuous performance taskEarly-course psychosisLongitudinal Study 2Resting-state fMRIProspective study of individualsHuman Connectome ProjectPsychosis onsetStudy of individualsPsychosisStudy 2Performance tasksNeurocognitive impairmentCognitive instrumentsHealthy participantsRobust associationsSex differences in clinical presentation in youth at high risk for psychosis who transition to psychosis
Chintoh A, Liu L, Braun A, Akseer S, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Mathalon D, McGlashan T, Perkins D, Seidman L, Stone W, Tsuang M, Walker E, Woods S, Cannon T, Addington J. Sex differences in clinical presentation in youth at high risk for psychosis who transition to psychosis. Schizophrenia Research 2024, 271: 153-160. PMID: 39029145, DOI: 10.1016/j.schres.2024.07.030.Peer-Reviewed Original ResearchClinical high riskClinical high-risk individualsSex differencesNegative symptomsTransition to psychosisInvestigate sex differencesNo sex differencesSchizophreniform disorderCHR individualsPsychosisSubstance useSchizophreniaSymptomsHigh riskIndividualsSchizophreniformAnxietyClinical presentationSexDepressionDisordersBaselineDifferencesMaleYouthNeurocognition in adolescents and young adults at clinical high risk for psychosis: Predictive stability for social and role functioning
Carrión R, Ku B, Dorvil S, Auther A, McLaughlin D, Addington J, Bearden C, Cadenhead K, Cannon T, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Walker E, Woods S, Cornblatt B. Neurocognition in adolescents and young adults at clinical high risk for psychosis: Predictive stability for social and role functioning. Schizophrenia Research 2024, 271: 129-137. PMID: 39024961, DOI: 10.1016/j.schres.2024.06.054.Peer-Reviewed Original ResearchClinical high riskCHR-PNeurocognitive deficitsImpact of processing speedProcessing speedNorth American Prodrome Longitudinal StudyBaseline processing speedCHR-P participantsPoor social functioningCHR-P individualsYoung adultsDisorganized symptomsBaseline neurocognitionAttentional impairmentAttention deficitDevelopmental trajectoriesNeurocognitionPsychosisImpact of symptomsProdromal phaseSocial functioningIntervention issuesTreatment targetLongitudinal studyDeficitsGenetically Informed Study Highlights Income-Independent Effect of Schizophrenia Liability on Mental and Physical Health
Kouakou M, Cabrera-Mendoza B, Pathak G, Cannon T, Polimanti R. Genetically Informed Study Highlights Income-Independent Effect of Schizophrenia Liability on Mental and Physical Health. Schizophrenia Bulletin 2024, sbae093. PMID: 38848523, DOI: 10.1093/schbul/sbae093.Peer-Reviewed Original ResearchMultivariable Mendelian randomizationMR analysisMedical endpointsMultivariable MR analysisNegative health outcomesSubstance usePsychiatric Genomics ConsortiumHigh-risk individualsFinnGen participantsMendelian randomizationMultiple testing correctionSocioeconomic inequalitiesHealth outcomesBonferroni multiple testing correctionUK BiobankSocioeconomic differencesPhysical healthMental healthAnalysis of schizophreniaGenetic liabilityAdjustment disorderHousehold incomeLife expectancyTesting correctionPersonality disorderThe Italian adaptation of the Mini‐SIPS, a tool for early detection of individuals at clinical high risk and first episode of psychosis: A preliminary study of implementation in an Italian FEP program
Ferrara M, Basaldella M, Vacca F, Woods S, Walsh B, Cannon T, Srihari V, Grassi L. The Italian adaptation of the Mini‐SIPS, a tool for early detection of individuals at clinical high risk and first episode of psychosis: A preliminary study of implementation in an Italian FEP program. Early Intervention In Psychiatry 2024 PMID: 38769052, DOI: 10.1111/eip.13548.Peer-Reviewed Original ResearchClinical high riskFirst-episode psychosisDSM-5-Attenuated Psychosis SyndromeItalian adaptationPsychosis syndromeDSM-5FEP programsEarly stages of psychosisItalian versionFirst-episode psychosis servicesFull-blown psychosisStages of psychosisEpisode of psychosisClinical structured interviewEpisode psychosisEstablished psychosisTrained psychologistsPsychiatric historyPsychosisPsychosis servicesHigh riskStructured interviewsClinical settingEarly detection of individualsAssess validityThe Complex Latent Structure of Attenuated Psychotic Symptoms: Hierarchical and Bifactor Models of SIPS Symptoms Replicated in Two Large Samples at Clinical High Risk for Psychosis
Cowan H, Williams T, Mittal V, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshevan M, Perkins D, Mathalon D, Stone W, Woods S, Walker E. The Complex Latent Structure of Attenuated Psychotic Symptoms: Hierarchical and Bifactor Models of SIPS Symptoms Replicated in Two Large Samples at Clinical High Risk for Psychosis. Schizophrenia Bulletin 2024, sbae042. PMID: 38728417, DOI: 10.1093/schbul/sbae042.Peer-Reviewed Original ResearchAttenuated psychotic symptomsClinical high riskPsychotic symptomsGeneral factorBifactor modelPsychosis riskPsychotic disordersPresence of attenuated psychotic symptomsFunctional impairmentConversion to psychotic disordersAssessment of psychosis riskPositive symptom factorNon-psychotic symptomsPsychosis-Risk SyndromesAssociated with depressive symptomsCHR participantsPositive symptomsCHR statusCHR samplesSymptom varianceTransdiagnostic assessmentInternalizing symptomsSymptom factorsPreregistered replicationDepressive symptomsInformation processing style and institutional trust as factors of COVID vaccine hesitancy
Zhao W, Russell C, Jankovsky A, Cannon T, Pittenger C, Pushkarskaya H. Information processing style and institutional trust as factors of COVID vaccine hesitancy. Scientific Reports 2024, 14: 10416. PMID: 38710827, PMCID: PMC11074285, DOI: 10.1038/s41598-024-60788-y.Peer-Reviewed Original ResearchConceptsInformation processing styleIndividual cognitive styleProcessing styleCognitive styleSelf-report measures of personalityMeasures of personalitySelf-report measuresInformation processing capacityPersonality traitsBehavioral tasksStructural equation modelingAuthoritarian submissionEquation modelingProcessing capacityStylePersonsComprehensive assessmentInformation processing capabilitiesPerceptionTrust levelProcessing capabilitiesMultifactorial natureSocio-demographic factorsClinical characteristicsTaskLongitudinal Trajectories of Premorbid Social and Academic Adjustment in Youth at Clinical High Risk for Psychosis: Implications for Conversion
Cowan H, Mittal V, Addington J, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Woods S, Cannon T, Walker E. Longitudinal Trajectories of Premorbid Social and Academic Adjustment in Youth at Clinical High Risk for Psychosis: Implications for Conversion. Schizophrenia Bulletin 2024, sbae050. PMID: 38706103, DOI: 10.1093/schbul/sbae050.Peer-Reviewed Original ResearchConversion to psychosisClinical high riskAcademic adjustmentPremorbid periodPremorbid adjustmentNegative symptomsNon-convertersSocial adjustmentLongitudinal trajectoriesChildhood trauma impactsPremorbid adjustment trajectoriesPremorbid social functioningPoor academic adjustmentBetween-person levelPsychotic disorder diagnosisNon-affective psychosisPoor social adjustmentGrowth curve modelsPsychotic disordersPremorbid functioningChildhood traumaDisorder diagnosisCognitive effectsPsychosisAdjustment problemsSocial Engagement Moderates Relations Between Hippocampal-Temporoparietal Junction Connectivity and Neighborhood Social Fragmentation in Youth at Clinical High Risk for Psychosis
Aberizk K, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Woods S, Walker E, Ku B. Social Engagement Moderates Relations Between Hippocampal-Temporoparietal Junction Connectivity and Neighborhood Social Fragmentation in Youth at Clinical High Risk for Psychosis. Biological Psychiatry 2024, 95: s37-s38. DOI: 10.1016/j.biopsych.2024.02.095.Peer-Reviewed Original Research451. Group Iterative Multiple Model Estimation Reveals Individuals at Clinical High-Risk for Psychosis and Healthy Comparisons Self-Organize by Premorbid Adjustment According to Patterns of Temporoparietal Brain Connectivity
Aberizk K, Ku B, Addington J, Bearden C, Cadenhead K, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Woods S, Walker E. 451. Group Iterative Multiple Model Estimation Reveals Individuals at Clinical High-Risk for Psychosis and Healthy Comparisons Self-Organize by Premorbid Adjustment According to Patterns of Temporoparietal Brain Connectivity. Biological Psychiatry 2024, 95: s284. DOI: 10.1016/j.biopsych.2024.02.950.Peer-Reviewed Original Research12. Reduced P300 Responses Are Associated With Altered Excitatory and Inhibitory Cell Function in High-Risk Individuals who Convert to Psychosis: Insights From the NAPLS-2 Sample
Rodriguez-Sanchez J, Hauke D, Friston K, Cannon T, Mathalon D, Adams R. 12. Reduced P300 Responses Are Associated With Altered Excitatory and Inhibitory Cell Function in High-Risk Individuals who Convert to Psychosis: Insights From the NAPLS-2 Sample. Biological Psychiatry 2024, 95: s79. DOI: 10.1016/j.biopsych.2024.02.190.Peer-Reviewed Original ResearchRace/ethnicity and socioeconomic status as predictors of outcome following family therapy in youth at clinical high risk for psychosis
Ruiz‐Yu B, Le T, Weintraub M, Zinberg J, Addington J, O'Brien M, Walsh B, Friedman‐Yakoobian M, Auther A, Cornblatt, Domingues I, Cannon T, Miklowitz D, Bearden C. Race/ethnicity and socioeconomic status as predictors of outcome following family therapy in youth at clinical high risk for psychosis. Early Intervention In Psychiatry 2024 PMID: 38676463, DOI: 10.1111/eip.13541.Peer-Reviewed Original ResearchClinical high riskNegative symptomsFamily therapyRandomized trial of family-focused therapyGlobal functioningEffect of race/ethnicityNHW participantsTrial of family therapyFamily-focused therapyParental educationAssociated with greater improvementSociodemographic factorsSocioeconomic statusPositive symptomsPsychosocial treatmentsPsychosocial functioningHigher parental educationFollow-up measurementsHigh riskInfluence of race/ethnicityGreater improvementRandomized trialsTreatment outcomesPsychosisPredictors of outcome