2023
Aberrant Hierarchical Prediction Errors Are Associated With Transition to Psychosis: A Computational Single-Trial Analysis of the Mismatch Negativity
Hauke D, Charlton C, Schmidt A, Griffiths J, Woods S, Ford J, Srihari V, Roth V, Diaconescu A, Mathalon D. Aberrant Hierarchical Prediction Errors Are Associated With Transition to Psychosis: A Computational Single-Trial Analysis of the Mismatch Negativity. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2023, 8: 1176-1185. PMID: 37536567, DOI: 10.1016/j.bpsc.2023.07.011.Peer-Reviewed Original ResearchConceptsPrecision-weighted prediction errorsHealthy control participantsCourse of schizophreniaCHR-P individualsLower-level precision-weighted prediction errorsControl participantsLow-level sensoryPredictive coding accountMismatch negativity paradigmHierarchical Gaussian FilterPrediction errorEarly psychosisSingle-trial analysisClinical high riskDouble deviantsMismatch negativityComputational mechanismsElectroencephalography amplitudeFuture psychosisComputational modelSchizophreniaPsychosisIndividualsParticipantsSensor space
2022
Abnormal levels of mitochondrial Ca2+ channel proteins in plasma neuron‐derived extracellular vesicles of early schizophrenia
Goetzl EJ, Srihari VH, Mustapic M, Kapogiannis D, Heninger GR. Abnormal levels of mitochondrial Ca2+ channel proteins in plasma neuron‐derived extracellular vesicles of early schizophrenia. The FASEB Journal 2022, 36: e22466. PMID: 35867070, PMCID: PMC9358927, DOI: 10.1096/fj.202200792rr.Peer-Reviewed Original ResearchConceptsNeuron-derived extracellular vesiclesChannel proteinsExtracellular vesiclesGenome-wide association studiesMitochondrial ion channelsIon channel proteinsIndividual proteinsLeucine zipperAssociation studiesMitochondrial NaMitochondrial levelTransient receptor potential cation channelMitochondrial Ca2Ion channelsSequence studiesProteinMember B1Extracted proteinsCation channelsNeuronal functionΑ-1CMember 4Calcium homeostasisVesiclesStructural alterationsDistinct Symptom Network Structure and Shared Central Social Communication Symptomatology in Autism and Schizophrenia: A Bayesian Network Analysis
Han GT, Trevisan DA, Foss-Feig J, Srihari V, McPartland JC. Distinct Symptom Network Structure and Shared Central Social Communication Symptomatology in Autism and Schizophrenia: A Bayesian Network Analysis. Journal Of Autism And Developmental Disorders 2022, 53: 3636-3647. PMID: 35752729, PMCID: PMC10202012, DOI: 10.1007/s10803-022-05620-0.Peer-Reviewed Original ResearchMeSH KeywordsAdultAutism Spectrum DisorderAutistic DisorderBayes TheoremCommunicationHumansSchizophreniaConceptsSchizophrenia spectrum disordersSocial communication difficultiesSymptom networksCognitive-perceptual symptomsSpectrum disorderRepetitive behaviorsNeurodevelopmental conditionsCommunication difficultiesASDPotential treatment targetAutismSymptom network structureDiagnostic groupsTreatment targetsNetwork analysis approachHigh centralitySymptomatologySchizophreniaSymptomsOrganizationAdultsDisordersBayesian network analysisDifficultiesAnalysis approachEarly Intervention Services for Schizophrenia: Looking Back and Looking Ahead
Srihari VH, Keshavan MS. Early Intervention Services for Schizophrenia: Looking Back and Looking Ahead. Schizophrenia Bulletin 2022, 48: 544-550. PMID: 35373302, PMCID: PMC9077409, DOI: 10.1093/schbul/sbac024.Peer-Reviewed Original Research
2021
Dopamine D1R Receptor Stimulation as a Mechanistic Pro-cognitive Target for Schizophrenia
Abi-Dargham A, Javitch JA, Slifstein M, Anticevic A, Calkins ME, Cho YT, Fonteneau C, Gil R, Girgis R, Gur RE, Gur RC, Grinband J, Kantrowitz J, Kohler C, Krystal J, Murray J, Ranganathan M, Santamauro N, Van Snellenberg J, Tamayo Z, Wolf D, D’Souza D, Srihari V, Gueorguieva R, Patel P, Forselius-Bielen K, Lu J, Butler A, Fram G, Afriyie-Agyemang Y, Selloni A, Cadavid L, Gomez-Luna S, Gupta A, Radhakrishnan R, Rashid A, Aker R, Abrahim P, Nia A, Surti T, Kegeles L, Carlson M, Goldberg T, Gangwisch J, Benedict E, Govil P, Brazis S, Mayer M, de la Garrigue N, Fallon N, Baumvoll T, Abeykoon S, Perlman G, Bobchin K, Elliott M, Schmidt L, Rush S, Port A, Heffernan Z, Laney N, Kantor J, Hohing T, Gray D, Lieberman J. Dopamine D1R Receptor Stimulation as a Mechanistic Pro-cognitive Target for Schizophrenia. Schizophrenia Bulletin 2021, 48: 199-210. PMID: 34423843, PMCID: PMC8781338, DOI: 10.1093/schbul/sbab095.Peer-Reviewed Original ResearchConceptsCortical dopamine neurotransmissionPositive allosteric modulationImportant therapeutic targetPF-06412562Dopaminergic receptorsD1R stimulationDA levelsTolerable dosesLevel of stimulationDopamine neurotransmissionReceptor stimulationTherapeutic targetPartial agonistCognitive deficitsBiased agonismFull agonismTarget engagementAllosteric modulationNew drugsStimulationPoor bioavailabilitySchizophreniaOptimal stimulationDrugsExpression levels
2020
Natural History, Not Lead Time
Srihari VH, Guloksuz S, Friis S. Natural History, Not Lead Time. American Journal Of Psychiatry 2020, 177: 1185-1185. PMID: 33256447, PMCID: PMC7968614, DOI: 10.1176/appi.ajp.2020.20040402.Peer-Reviewed Original ResearchDrug‐naïve first‐episode schizophrenia spectrum disorders: Pharmacological treatment practices in inpatient units in Hunan Province, China
Zhu M, Ferrara M, Tan W, Shang X, Syed S, Zhang L, Qin Q, Hu X, Rohrbaugh R, Srihari VH, Liu Z. Drug‐naïve first‐episode schizophrenia spectrum disorders: Pharmacological treatment practices in inpatient units in Hunan Province, China. Early Intervention In Psychiatry 2020, 15: 1010-1018. PMID: 32924286, PMCID: PMC8359180, DOI: 10.1111/eip.13046.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChinaHumansInpatientsPharmaceutical PreparationsPractice Patterns, Physicians'SchizophreniaConceptsSchizophrenia spectrum disordersSingle antipsychoticCurrent guidelinesFirst-episode schizophrenia spectrum disordersAntipsychotic prescription patternsHigh-dose antipsychoticsBest practice treatmentYears of ageElectronic medical recordsClinical characteristicsPrescription patternsClinical factorsInjectable antipsychoticsUntreated illnessMedical recordsFirst episodeAntipsychoticsInpatient unitPolypharmacyPsychiatric hospitalChina GuidelinesInpatientsLogistic regressionPatientsTreatment practices
2019
Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study
Ferrara M, Guloksuz S, Li F, Burke S, Tek C, Friis S, Ten Velden Hegelstad W, Joa I, Johannessen JO, Melle I, Simonsen E, Srihari VH. Parsing the impact of early detection on duration of untreated psychosis (DUP): Applying quantile regression to data from the Scandinavian TIPS study. Schizophrenia Research 2019, 210: 128-134. PMID: 31204063, DOI: 10.1016/j.schres.2019.05.035.Peer-Reviewed Original Research
2018
Auditory and Visual Oddball Stimulus Processing Deficits in Schizophrenia and the Psychosis Risk Syndrome: Forecasting Psychosis Risk With P300
Hamilton HK, Woods SW, Roach BJ, Llerena K, McGlashan TH, Srihari VH, Ford JM, Mathalon DH. Auditory and Visual Oddball Stimulus Processing Deficits in Schizophrenia and the Psychosis Risk Syndrome: Forecasting Psychosis Risk With P300. Schizophrenia Bulletin 2018, 45: 1068-1080. PMID: 30753731, PMCID: PMC6737543, DOI: 10.1093/schbul/sby167.Peer-Reviewed Original ResearchConceptsPsychosis risk syndromeTarget P3bProcessing deficitsPsychosis onsetEvent-related potential componentP300 event-related potential componentTarget P3b amplitudesPsychosis riskInfrequent target stimuliVisual oddball taskPRS participantsHealthy control participantsP3b amplitudeVisual modalityTarget stimuliP3a amplitudeSchizophrenia participantsOddball taskNovel stimuliP300 amplitudeHC participantsRisk syndromeP3bVulnerability markerControl participantsCourse, outcome and diagnosis stability of early-onset schizophrenia in Yunnan Province, China-a three years follow-up study
Kang C, Zhou H, Yang J, Yang R, Sun N, Wang S, Yang C, Han D, Srihari VH. Course, outcome and diagnosis stability of early-onset schizophrenia in Yunnan Province, China-a three years follow-up study. Psychiatry Research 2018, 271: 144-149. PMID: 30472510, DOI: 10.1016/j.psychres.2018.11.013.Peer-Reviewed Original ResearchConceptsEarly-onset schizophreniaICD-10 diagnosisDiagnostic stabilityMini International Neuropsychiatric InterviewFirst Affiliated HospitalInternational Neuropsychiatric InterviewKunming Medical UniversityHigh diagnostic stabilityDepartment of PsychiatryPoor outcomeAffiliated HospitalNeuropsychiatric InterviewInternational ClassificationBetter outcomesModerate outcomeMedical UniversityGlobal functioningICD-10Psychosocial outcomesPatientsSchizophreniaDiagnosis stabilityDiagnosisOutcomesHospitalDevelopment and validation of the client engagement and service use scale: A pilot study
Kline ER, DeTore NR, Keefe K, Seidman LJ, Srihari VH, Keshavan MS, Guyer M. Development and validation of the client engagement and service use scale: A pilot study. Schizophrenia Research 2018, 201: 343-346. PMID: 29764759, DOI: 10.1016/j.schres.2018.05.006.Peer-Reviewed Original ResearchConceptsFirst-episode psychosisEpisode psychosisService utilizationPilot studyService Engagement ScaleMultiple intervention componentsClients' service utilizationClient engagementMedication adherenceSpecialty careEarly treatmentInter-rater reliabilitySession attendanceHigh inter-rater reliabilityTreatment teamIntervention componentsSpecialized treatmentMenu of servicesPreliminary evidenceCliniciansPsychosisConsumer advocacy groupsUse ScaleTreatmentMinimal trainingEffects of Reward on Spatial Working Memory in Schizophrenia
Cho YT, Lam NH, Starc M, Santamauro N, Savic A, Diehl CK, Schleifer CH, Moujaes F, Srihari VH, Repovs G, Murray JD, Anticevic A. Effects of Reward on Spatial Working Memory in Schizophrenia. Journal Of Psychopathology And Clinical Science 2018, 127: 695-709. PMID: 30335439, PMCID: PMC6197071, DOI: 10.1037/abn0000369.Peer-Reviewed Original ResearchAn Economic Evaluation of Coordinated Specialty Care (CSC) Services for First-Episode Psychosis in the U.S. Public Sector.
Murphy SM, Kucukgoncu S, Bao Y, Li F, Tek C, Breitborde NJK, Guloksuz S, Phutane VH, Ozkan B, Pollard JM, Cahill JD, Woods SW, Cole RA, Schoenbaum M, Srihari VH. An Economic Evaluation of Coordinated Specialty Care (CSC) Services for First-Episode Psychosis in the U.S. Public Sector. The Journal Of Mental Health Policy And Economics 2018, 21: 123-130. PMID: 30530872, PMCID: PMC6314808.Peer-Reviewed Original ResearchConceptsSpecialty care servicesPatient costsEarly intervention servicesUsual treatmentSchizophrenia spectrum disordersMonth 12Economic evaluationCare servicesSTEP participantsCommunity mental health centerThird-party payer perspectiveIntervention servicesFirst-episode servicesMonths post randomizationHealthcare service utilizationMental health centersU.S. public sectorTeam-based careCost-offset analysisEligible patientsThird-party payersAntipsychotic exposureED visitsMonth 6Episode psychosisComparison of Early Intervention Services vs Treatment as Usual for Early-Phase Psychosis: A Systematic Review, Meta-analysis, and Meta-regression
Correll CU, Galling B, Pawar A, Krivko A, Bonetto C, Ruggeri M, Craig TJ, Nordentoft M, Srihari VH, Guloksuz S, Hui CLM, Chen EYH, Valencia M, Juarez F, Robinson DG, Schooler NR, Brunette MF, Mueser KT, Rosenheck RA, Marcy P, Addington J, Estroff SE, Robinson J, Penn D, Severe JB, Kane JM. Comparison of Early Intervention Services vs Treatment as Usual for Early-Phase Psychosis: A Systematic Review, Meta-analysis, and Meta-regression. JAMA Psychiatry 2018, 75: 555-565. PMID: 29800949, PMCID: PMC6137532, DOI: 10.1001/jamapsychiatry.2018.0623.Peer-Reviewed Original ResearchConceptsEarly phase psychosisEarly intervention servicesCause treatment discontinuationSchizophrenia spectrum disordersSymptom severityTreatment discontinuationPsychiatric hospitalizationSystematic reviewIntervention servicesMonths of treatmentEnd of treatmentFirst-episode psychosisTotal symptom severitySystematic literature searchMeta-regression analysisPositive symptom severityCoprimary outcomesPrespecified subgroupsLanguage restrictionsNegative symptom severityClinical trialsTreatment periodMAIN OUTCOMESpectrum disorderPRISMA guidelinesShould I Stay or Should I Go? FMRI Study of Response Inhibition in Early Illness Schizophrenia and Risk for Psychosis
Fryer SL, Roach BJ, Ford JM, Donaldson KR, Calhoun VD, Pearlson GD, Kiehl KA, Srihari VH, McGlashan TH, Woods SW, Mathalon DH. Should I Stay or Should I Go? FMRI Study of Response Inhibition in Early Illness Schizophrenia and Risk for Psychosis. Schizophrenia Bulletin 2018, 45: 158-168. PMID: 29385625, PMCID: PMC6293268, DOI: 10.1093/schbul/sbx198.Peer-Reviewed Original ResearchConceptsEarly illness schizophrenia patientsClinical high riskESZ groupsBilateral dorsal anterior cingulateResponse inhibitionGo/NoGo task performanceEarly illness schizophreniaInhibitory control regionsVariable motor responseTask-based functional connectivityFunctional connectivity relationshipsDorsal anterior cingulateMedial prefrontal cortexDefault mode network regionsInferior frontal cortexRight inferior frontal regionsFunctional magnetic resonanceFrontal cortexHigh riskHealthy adolescentsSchizophrenia patientsAnterior cingulateControl groupInferior frontal regionsCHR groupTransforming the Treatment of Schizophrenia in the United States: The RAISE Initiative
Dixon LB, Goldman HH, Srihari VH, Kane JM. Transforming the Treatment of Schizophrenia in the United States: The RAISE Initiative. Annual Review Of Clinical Psychology 2018, 14: 1-22. PMID: 29328779, PMCID: PMC8990328, DOI: 10.1146/annurev-clinpsy-050817-084934.Peer-Reviewed Original ResearchMeSH KeywordsEvidence-Based PracticeHumansMental Health ServicesProgram DevelopmentPsychotic DisordersSchizophreniaUnited StatesConceptsCoordinated Specialty CareInitial Schizophrenia Episode projectExtensive functional impairmentPatient Outcomes Research TeamTreatment of schizophreniaSchizophrenia spectrum disordersEvidence-based practiceUntreated psychosisSpecialty careChronic schizophreniaCSC programsEpisode ProjectFunctional impairmentLifetime prevalenceRAISE studyRecovery of individualsTreatment settingsEarly interventionNeurodevelopmental illnessSchizophreniaTreatmentUnited StatesInternational studiesSpectrum disorderPatients
2017
Searching for Cross-Diagnostic Convergence: Neural Mechanisms Governing Excitation and Inhibition Balance in Schizophrenia and Autism Spectrum Disorders
Foss-Feig JH, Adkinson BD, Ji JL, Yang G, Srihari VH, McPartland JC, Krystal JH, Murray JD, Anticevic A. Searching for Cross-Diagnostic Convergence: Neural Mechanisms Governing Excitation and Inhibition Balance in Schizophrenia and Autism Spectrum Disorders. Biological Psychiatry 2017, 81: 848-861. PMID: 28434615, PMCID: PMC5436134, DOI: 10.1016/j.biopsych.2017.03.005.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderSpectrum disorderFunctional magnetic resonance imagingRecent theoretical accountsEarly course schizophreniaNeurodevelopmental disordersPharmacological challenge studiesNeural correlatesNeuroscience literatureTheoretical accountsNeural circuitryTheoretical neuroscienceNoninvasive neuroimagingBehavioral dysfunctionFuture researchNeuropsychiatric conditionsComputational modelSchizophreniaProton magnetic resonance spectroscopyDisordersInhibition imbalanceMagnetic resonance imagingDistinct modalitiesPoint of convergenceInhibition balance
2016
Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition
Starc M, Murray JD, Santamauro N, Savic A, Diehl C, Cho YT, Srihari V, Morgan PT, Krystal JH, Wang XJ, Repovs G, Anticevic A. Schizophrenia is associated with a pattern of spatial working memory deficits consistent with cortical disinhibition. Schizophrenia Research 2016, 181: 107-116. PMID: 27745755, PMCID: PMC5901719, DOI: 10.1016/j.schres.2016.10.011.Peer-Reviewed Original ResearchConceptsHealthy comparison subjectsSpatial WM taskSchizophrenia patientsSevere cognitive deficitsSpecific spatial locationsComputational modelContinuous response measuresWM precisionWM representationsSpatial WMWM taskDistractor distanceWM impairmentWM tracesNeural mechanismsCognitive deficitsMemory deficitsBehavioral consequencesDelay periodDelay durationCortical disinhibitionSpatial locationComparison subjectsMicrocircuit modelDistractibility
2015
Equivalent mismatch negativity deficits across deviant types in early illness schizophrenia-spectrum patients
Hay RA, Roach BJ, Srihari VH, Woods SW, Ford JM, Mathalon DH. Equivalent mismatch negativity deficits across deviant types in early illness schizophrenia-spectrum patients. Biological Psychology 2015, 105: 130-137. PMID: 25603283, PMCID: PMC4336819, DOI: 10.1016/j.biopsycho.2015.01.004.Peer-Reviewed Original ResearchConceptsSchizophrenia spectrum patientsHealthy controlsEarly schizophrenia patientsMMN amplitude reductionDuration of illnessCourse of schizophreniaMismatch negativityDeviant typesMismatch negativity deficitsClinical symptomsDifferent deviant typesNeurophysiological abnormalitiesAuditory deviantsSchizophrenia patientsPatientsAuditory deviance processingIllnessNeurophysiological mechanismsAmplitude reductionSignificant interactionMMN responsesDeviance processingSymptomsAbnormalitiesSchizophrenia
2014
The impact of eszopiclone on sleep and cognition in patients with schizophrenia and insomnia: A double-blind, randomized, placebo-controlled trial
Tek C, Palmese LB, Krystal AD, Srihari VH, DeGeorge PC, Reutenauer EL, Guloksuz S. The impact of eszopiclone on sleep and cognition in patients with schizophrenia and insomnia: A double-blind, randomized, placebo-controlled trial. Schizophrenia Research 2014, 160: 180-185. PMID: 25454802, PMCID: PMC5589464, DOI: 10.1016/j.schres.2014.10.002.Peer-Reviewed Original ResearchMeSH KeywordsAzabicyclo CompoundsCognitionDouble-Blind MethodEszopicloneFemaleHumansHypnotics and SedativesMaleMedical RecordsMiddle AgedPatient DropoutsPiperazinesPsychotic DisordersQuality of LifeSchizophreniaSchizophrenic PsychologySingle-Blind MethodSleepSleep Initiation and Maintenance DisordersTreatment OutcomeConceptsInsomnia Severity IndexSingle-blind placebo phasePlacebo phaseOutcome measuresPsychiatric symptomsPlacebo-controlled trialDouble-blind placeboSecondary outcome measuresPrimary outcome measureEffects of eszopicloneBetween-group differencesTreatment of insomniaQuality of lifeDiscontinuation ratesMATRICS Consensus Cognitive BatteryStable outpatientsConsensus Cognitive BatterySchizoaffective disorderCognitive impairmentSleep diaryPatientsInsomniaScore changeEszopiclonePlacebo