2024
Mismatch Negativity as an Index of Auditory Short-Term Plasticity: Associations with Cortisol, Inflammation, and Gray Matter Volume in Youth at Clinical High Risk for Psychosis.
Hamilton H, Roach B, Bachman P, Belger A, Carrión R, Duncan E, Johannesen J, Light G, Niznikiewicz M, Addington J, Bearden C, Cadenhead K, Cornblatt B, Perkins D, Tsuang M, Walker E, Woods S, Cannon T, Mathalon D. Mismatch Negativity as an Index of Auditory Short-Term Plasticity: Associations with Cortisol, Inflammation, and Gray Matter Volume in Youth at Clinical High Risk for Psychosis. Clinical EEG And Neuroscience 2024, 15500594241294035. PMID: 39552576, DOI: 10.1177/15500594241294035.Peer-Reviewed Original ResearchNMDAR-dependent plasticityClinical high riskGray matter volumeMismatch negativityMagnetic resonance imagingGray matter lossShort-term plasticityMMN amplitudeMatter volumeN-methyl-D-aspartateHigh riskCHR-PPro-inflammatory cytokine levelsPathogenesis of schizophreniaModel of schizophreniaBiomarkers of schizophreniaMismatch negativity amplitudeCHR-P individualsNorth American Prodrome Longitudinal StudyEvent-related potentialsAberrant neurodevelopmental processesInfluence of psychosisSubcortical gray matter volumesTotal gray matter volumeNMDAR hypofunctionProtective Factors Predict Resilient Outcomes in Clinical High-Risk Youth with the Highest Individualized Psychosis Risk Scores
Cadenhead K, Addington J, Bearden C, Cannon T, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Walker E, Woods S. Protective Factors Predict Resilient Outcomes in Clinical High-Risk Youth with the Highest Individualized Psychosis Risk Scores. Schizophrenia Bulletin 2024, sbae182. PMID: 39488001, DOI: 10.1093/schbul/sbae182.Peer-Reviewed Original ResearchClinical high riskClinical high-risk participantsClinical high-risk researchPremorbid functioningResilient outcomesProtective factorsClinical high-risk youthClinical high-risk populationsReduced startle reactivityPrediction of psychosisAssociated with greater resilienceHigh-risk youthStudy of protective factorsStartle reactivityPsychotic conversionBrain areasPsychosisChildhood environmentBrain developmentGreater resilienceExploratory analysisLife experiencesPreventive interventionsSocial engagementHispanic heritageNeighborhood 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 useA Computational Account of the Development and Evolution of Psychotic Symptoms.
Powers A, Angelos P, Bond A, Farina E, Fredericks C, Gandhi J, Greenwald M, Hernandez-Busot G, Hosein G, Kelley M, Mourgues C, Palmer W, Rodriguez-Sanchez J, Seabury R, Toribio S, Vin R, Weleff J, Woods S, Benrimoh D. A Computational Account of the Development and Evolution of Psychotic Symptoms. Biological Psychiatry 2024 PMID: 39260466, DOI: 10.1016/j.biopsych.2024.08.026.Peer-Reviewed Original ResearchPsychotic symptomsSymptom formationEmergence of psychotic symptomsConversion to psychosisPrediction error signalsIncoming sensory informationHallucination severityDiminished signal-to-noise ratioComputational accountPsychiatric interventionNeural systemsHallucinationsIncreasing convictionOver-reliancePsychosisSensory informationLongitudinal developmentSymptomsBelief formationBeyond 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 3DistressImpairmentSleep 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-episodeRobust 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 studyDeficitsThe 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, 50: 1295-1309. PMID: 38728417, PMCID: PMC11548925, 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 symptomsLongitudinal 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 problems11. Role of Prediction Errors in the Relationship Between Ethnoracial Discrimination and Delusions
Huque Z, O'Brien K, Rossi-Goldthorpe R, Kenney J, Mittal V, Strauss G, Walker E, Schiffman J, Woods S, Powers A, Silverstein S, Waltz J, Gold J, Corlett P, Ellman L. 11. Role of Prediction Errors in the Relationship Between Ethnoracial Discrimination and Delusions. Biological Psychiatry 2024, 95: s78-s79. DOI: 10.1016/j.biopsych.2024.02.189.Peer-Reviewed Original ResearchSocial 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 ResearchDifferent learning aberrations relate to delusion-like beliefs with different contents
Rossi-Goldthorpe R, Silverstein S, Gold J, Schiffman J, Waltz J, Williams T, Powers A, Woods S, Zinbarg R, Mittal V, Ellman L, Strauss G, Walker E, Levin J, Castiello S, Kenney J, Corlett P. Different learning aberrations relate to delusion-like beliefs with different contents. Brain 2024, 147: 2854-2866. PMID: 38637303, PMCID: PMC11292907, DOI: 10.1093/brain/awae122.Peer-Reviewed Original ResearchProbabilistic reversal learningDelusion-like beliefsProbabilistic reversal learning taskBlocked cueControl cuesBelief convictionBlock taskClinical high-risk statusKamin blocking taskSymptom-specific effectsPrediction error accountLevels of paranoiaIntact learningAberrant learningKamin blockingParanoid individualsPersecutory delusionsCue presentationReversal learningPredicting psychosisCognitive tasksBehavioral resultsDecreased learningDelusionsParanoiaA computational account of the development and evolution of psychotic symptoms
Powers A, Angelos P, Bond A, Farina E, Fredericks C, Gandhi J, Greenwald M, Hernandez-Busot G, Hosein G, Kelley M, Mourgues C, Palmer W, Rodriguez-Sanchez J, Seabury R, Toribio S, Vin R, Weleff J, Woods S, Benrimoh D. A computational account of the development and evolution of psychotic symptoms. Biological Psychiatry 2024, 5 PMID: 38699166, PMCID: PMC11065053, DOI: 10.1016/j.biopsych.2024.08.026.Peer-Reviewed Original ResearchPsychotic symptomsSymptom formationEmergence of psychotic symptomsConversion to psychosisPrediction error signalsIncoming sensory informationHallucination severityComputational accountPsychiatric interventionDiminished signal-to-noise ratioNeural systemsHallucinationsIncreasing convictionOver-reliancePsychosisSensory informationLongitudinal developmentSymptomsBelief formationThe Hierarchical Taxonomy of Psychopathology in Clinical High Risk for Psychosis: Validation and Extension
Williams T, Williams A, Cowan H, Walker E, Cannon T, Bearden C, Keshavan M, Cornblatt B, Addington J, Woods S, Perkins D, Mathalon D, Cadenhead K, Stone W, Mittal V. The Hierarchical Taxonomy of Psychopathology in Clinical High Risk for Psychosis: Validation and Extension. Journal Of Psychopathology And Clinical Science 2024, 133: 235-244. PMID: 38546628, PMCID: PMC11273326, DOI: 10.1037/abn0000893.Peer-Reviewed Original ResearchConceptsHierarchical Taxonomy of PsychopathologyTaxonomy of PsychopathologyClinical high riskHiTOP modelCHR-PChildhood traumaDimensional models of psychopathologyHierarchical taxonomyModels of psychopathologyAttenuated psychotic symptomsBipolar spectrum disordersObsessive-compulsive disorderCHR-P individualsConfirmatory factor analysisPsychotic symptomsPsychotic disordersComorbid diagnosesHiTOPSpectrum disorderPsychosisPsychopathologySocial functioningSelf-reportSpecific hypothesesTest specific hypotheses