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 hypofunctionAttention Deficit Hyperactivity Disorder among Youth at Clinical High Risk of Psychosis
Braun A, Liu L, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Mathalon D, Perkins D, Stone W, Tsuang M, Walker E, Woods S, Cannon T, Addington J. Attention Deficit Hyperactivity Disorder among Youth at Clinical High Risk of Psychosis. Schizophrenia Bulletin Open 2024, sgae028. DOI: 10.1093/schizbullopen/sgae028.Peer-Reviewed Original ResearchClinical high riskCo-morbid ADHDClinical high risk of psychosisPredictors of transition to psychosisNorth American Prodrome Longitudinal StudySubstance useClinical high-risk individualsClinical high-risk participantsClinical high-risk youthHigh risk of psychosisAttention deficit hyperactivity disorderNegative psychotic symptomsTransition to psychosisCo-morbid disordersNon-ADHD groupRisk of psychosisDeficit hyperactivity disorderCo-morbidityIncreased substance useAssociated with numerous adverse outcomesPsychotic symptomsNumerous adverse outcomesPremorbid functioningSocial cognitionADHD groupNeighborhood 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 groupsSleep 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-episodeNeurocognition 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 studyDeficitsDifferential 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 cortisol