2024
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
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-episodeSex 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, 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 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 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 ResearchThe 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 hypothesesPlasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies
Byrne J, Healy C, Föcking M, Heurich M, Susai S, Mongan D, Wynne K, Kodosaki E, Woods S, Cornblatt B, Stone W, Mathalon D, Bearden C, Cadenhead K, Addington J, Walker E, Cannon T, Cannon M, Jeffries C, Perkins D, Cotter D. Plasma complement and coagulation proteins as prognostic factors of negative symptoms: An analysis of the NAPLS 2 and 3 studies. Brain Behavior And Immunity 2024, 119: 188-196. PMID: 38555993, DOI: 10.1016/j.bbi.2024.03.049.Peer-Reviewed Original ResearchNegative symptomsDepressive symptomsScale of Psychosis-risk SymptomsMeasures of negative symptomsNorth American Prodrome Longitudinal Study 2Psychosis-risk symptomsClinical high riskPrognostic factorsLongitudinal Study 2Positive symptomsNAPLS 2Psychotic disordersAntipsychotic usePsychotic experiencesCannabis useSuicidal ideationAntidepressant useStudy 2Regulation groupQuality of life of individualsGroup factorsCurrent treatment optionsDemographic prognostic factorsPsychosisCoagulation proteinsAccelerating Medicines Partnership® Schizophrenia (AMP® SCZ): Rationale and Study Design of the Largest Global Prospective Cohort Study of Clinical High Risk for Psychosis
Wannan C, Nelson B, Addington J, Allott K, Anticevic A, Arango C, Baker J, Bearden C, Billah T, Bouix S, Broome M, Buccilli K, Cadenhead K, Calkins M, Cannon T, Cecci G, Chen E, Cho K, Choi J, Clark S, Coleman M, Conus P, Corcoran C, Cornblatt B, Diaz-Caneja C, Dwyer D, Ebdrup B, Ellman L, Fusar-Poli P, Galindo L, Gaspar P, Gerber C, Glenthøj L, Glynn R, Harms M, Horton L, Kahn R, Kambeitz J, Kambeitz-Ilankovic L, Kane J, Kapur T, Keshavan M, Kim S, Koutsouleris N, Kubicki M, Kwon J, Langbein K, Lewandowski K, Light G, Mamah D, Marcy P, Mathalon D, McGorry P, Mittal V, Nordentoft M, Nunez A, Pasternak O, Pearlson G, Perez J, Perkins D, Powers A, Roalf D, Sabb F, Schiffman J, Shah J, Smesny S, Spark J, Stone W, Strauss G, Tamayo Z, Torous J, Upthegrove R, Vangel M, Verma S, Wang J, Rossum I, Wolf D, Wolff P, Wood S, Yung A, Agurto C, Alvarez-Jimenez M, Amminger P, Armando M, Asgari-Targhi A, Cahill J, Carrión R, Castro E, Cetin-Karayumak S, Chakravarty M, Cho Y, Cotter D, D’Alfonso S, Ennis M, Fadnavis S, Fonteneau C, Gao C, Gupta T, Gur R, Gur R, Hamilton H, Hoftman G, Jacobs G, Jarcho J, Ji J, Kohler C, Lalousis P, Lavoie S, Lepage M, Liebenthal E, Mervis J, Murty V, Nicholas S, Ning L, Penzel N, Poldrack R, Polosecki P, Pratt D, Rabin R, Eichi H, Rathi Y, Reichenberg A, Reinen J, Rogers J, Ruiz-Yu B, Scott I, Seitz-Holland J, Srihari V, Srivastava A, Thompson A, Turetsky B, Walsh B, Whitford T, Wigman J, Yao B, Yuen H, Ahmed U, Byun A, Chung Y, Do K, Hendricks L, Huynh K, Jeffries C, Lane E, Langholm C, Lin E, Mantua V, Santorelli G, Ruparel K, Zoupou E, Adasme T, Addamo L, Adery L, Ali M, Auther A, Aversa S, Baek S, Bates K, Bathery A, Bayer J, Beedham R, Bilgrami Z, Birch S, Bonoldi I, Borders O, Borgatti R, Brown L, Bruna A, Carrington H, Castillo-Passi R, Chen J, Cheng N, Ching A, Clifford C, Colton B, Contreras P, Corral S, Damiani S, Done M, Estradé A, Etuka B, Formica M, Furlan R, Geljic M, Germano C, Getachew R, Goncalves M, Haidar A, Hartmann J, Jo A, John O, Kerins S, Kerr M, Kesselring I, Kim H, Kim N, Kinney K, Krcmar M, Kotler E, Lafanechere M, Lee C, Llerena J, Markiewicz C, Matnejl P, Maturana A, Mavambu A, Mayol-Troncoso R, McDonnell A, McGowan A, McLaughlin D, McIlhenny R, McQueen B, Mebrahtu Y, Mensi M, Hui C, Suen Y, Wong S, Morrell N, Omar M, Partridge A, Phassouliotis C, Pichiecchio A, Politi P, Porter C, Provenzani U, Prunier N, Raj J, Ray S, Rayner V, Reyes M, Reynolds K, Rush S, Salinas C, Shetty J, Snowball C, Tod S, Turra-Fariña G, Valle D, Veale S, Whitson S, Wickham A, Youn S, Zamorano F, Zavaglia E, Zinberg J, Woods S, Shenton M. Accelerating Medicines Partnership® Schizophrenia (AMP® SCZ): Rationale and Study Design of the Largest Global Prospective Cohort Study of Clinical High Risk for Psychosis. Schizophrenia Bulletin 2024, 50: 496-512. PMID: 38451304, PMCID: PMC11059785, DOI: 10.1093/schbul/sbae011.Peer-Reviewed Original ResearchClinical high-risk individualsClinical high riskNational Institute of Mental HealthInstitute of Mental HealthAttenuated positive symptomsPersistent negative symptomsTransition to psychosisCHR statusHigh riskNegative symptomsPositive symptomsAnxiety symptomsPsychosocial functioningCognitive dataOutcomes of individualsDigital health technologiesDaily surveysPsychosisSCZPublic health needsMental healthNovel pharmacological interventionsSchizophreniaClinical outcomesHealth needsDifferential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms
Healy C, Byrne J, Raj Suasi S, Föcking M, Mongan D, Kodosaki E, Heurich M, Cagney G, Wynne K, Bearden C, Woods S, Cornblatt B, Mathalon D, Stone W, Cannon T, Addington J, Cadenhead K, Perkins D, Jeffries C, Cotter D. Differential expression of haptoglobin in individuals at clinical high risk of psychosis and its association with global functioning and clinical symptoms. Brain Behavior And Immunity 2024, 117: 175-180. PMID: 38219978, DOI: 10.1016/j.bbi.2023.12.018.Peer-Reviewed Original ResearchGlobal Assessment of Functioning ScaleNorth American Prodrome Longitudinal StudyClinical high riskPoor functionScale of Psychosis-risk SymptomsPsychosis-risk symptomsAssociated with poorer functioningFirst-episode psychosisTransition to psychosisGreater symptom severityFollow-upIndividuals at-riskClinical symptomsPsychotic disordersHigh riskSymptom severityPsychosocial functioningGlobal functioningPsychosisSubscale scoresFDR correctionAcute phase inflammatory responseLongitudinal studyGlobal assessmentFunctional scales
2023
Relations of Lifetime Perceived Stress and Basal Cortisol With Hippocampal Volume Among Healthy Adolescents and Those at Clinical High Risk for Psychosis: A Structural Equation Modeling Approach
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. Relations of Lifetime Perceived Stress and Basal Cortisol With Hippocampal Volume Among Healthy Adolescents and Those at Clinical High Risk for Psychosis: A Structural Equation Modeling Approach. Biological Psychiatry 2023, 96: 401-411. PMID: 38092185, PMCID: PMC11166888, DOI: 10.1016/j.biopsych.2023.11.027.Peer-Reviewed Original ResearchBilateral hippocampal volumeStructural equation modelingHealthy comparisonsHippocampal volumeBiological sexRelation of ageEquation modelingMultigroup structural equation modelingNorth American Prodrome Longitudinal StudyMeasures of stressNon-human animalsNonspecific risk factorClinical high riskStructural equation modeling approachAdolescent sampleBasal cortisolPerceived stressSmaller hippocampal volumesElevated basal cortisol73 Identification of 24-Month Cognitive Trajectories Among Clinical High Risk for Psychosis (CHR-P) Using Latent Class Mixture Modeling
Guest R, Addington J, Bearden C, Cadenhead K, Cornblatt B, Mathalon D, Perkins D, Tsuang M, Woods S, Cannon T, Keshavan M, Stone W, Walker E. 73 Identification of 24-Month Cognitive Trajectories Among Clinical High Risk for Psychosis (CHR-P) Using Latent Class Mixture Modeling. Journal Of The International Neuropsychological Society 2023, 29: 857-858. DOI: 10.1017/s1355617723010597.Peer-Reviewed Original ResearchMATRICS Consensus Cognitive BatterySpeed of processingVerbal learningCognitive batteryCognitive trajectoriesCognitive deficitsWide Range Achievement TestDomain-specific deficitsConsensus Cognitive BatteryWechsler Abbreviated ScalePre-morbid IQHigher cognitive skillsFull Scale IQLower premorbid IQAge-based normsMild cognitive deficitsClinical high riskMCCB domainsCognitive remediationMemory domainCognitive skillsGeneral cognitionReading subtestCognitive performanceNorth American Prodromal Longitudinal Study
2014
Current status specifiers for patients at clinical high risk for psychosis
Woods SW, Walsh BC, Addington J, Cadenhead KS, Cannon TD, Cornblatt BA, Heinssen R, Perkins DO, Seidman LJ, Tarbox SI, Tsuang MT, Walker EF, McGlashan TH. Current status specifiers for patients at clinical high risk for psychosis. Schizophrenia Research 2014, 158: 69-75. PMID: 25012147, PMCID: PMC4152558, DOI: 10.1016/j.schres.2014.06.022.Peer-Reviewed Original ResearchConceptsNorth American Prodromal Longitudinal StudyClinical high-risk syndromeHigh-risk syndromeCurrent clinical statusPsychosis risk syndromeLongitudinal studyClinical high riskPartial remissionFull remissionClinical statusRemission criteriaRisk syndromeProgression criteriaRole functioningPredictive validityHigh riskRemitted patientsRemissionPatientsCurrent statusSyndromeConvergent validityPsychosisStructured interviewsPresent study