2022
Predictability modulates neural response to eye contact in ASD
Naples AJ, Foss-Feig JH, Wolf JM, Srihari VH, McPartland JC. Predictability modulates neural response to eye contact in ASD. Molecular Autism 2022, 13: 42. PMID: 36309762, PMCID: PMC9618208, DOI: 10.1186/s13229-022-00519-0.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderEvent-related potentialsNeural responsesAdult participantsAmplitude of N170Perception of gazeP300 event-related potentialExperiment twoN170 responseAnxiety symptomologyCognitive abilitiesNeural basisExperiment oneNeural processingASD sampleSpectrum disorderInterpersonal interactionsN170P300 responseAutistic womenEye contactEye trackingSocial interactionSocial contextSocial worldDistinct 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 ResearchConceptsSchizophrenia spectrum disordersSocial communication difficultiesSymptom networksCognitive-perceptual symptomsSpectrum disorderRepetitive behaviorsNeurodevelopmental conditionsCommunication difficultiesASDPotential treatment targetAutismSymptom network structureDiagnostic groupsTreatment targetsNetwork analysis approachHigh centralitySymptomatologySchizophreniaSymptomsOrganizationAdultsDisordersBayesian network analysisDifficultiesAnalysis approach
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 levelsFace Perception Predicts Affective Theory of Mind in Autism Spectrum Disorder but Not Schizophrenia or Typical Development
Altschuler MR, Trevisan DA, Wolf JM, Naples AJ, Foss-Feig JH, Srihari VH, McPartland JC. Face Perception Predicts Affective Theory of Mind in Autism Spectrum Disorder but Not Schizophrenia or Typical Development. Journal Of Psychopathology And Clinical Science 2021, 130: 413-422. PMID: 34180705, PMCID: PMC8244155, DOI: 10.1037/abn0000621.Peer-Reviewed Original ResearchConceptsAutism spectrum disorderBenton Facial Recognition TestSchizophrenia spectrum disordersAffective ToM abilitiesTypical developmentSpectrum disorderAffective ToMToM difficultiesSocial cognitionToM abilitiesIndividual differencesBetter face recognition abilityFace recognition abilityFace recognition difficultiesTheory of mindFacial Recognition TestFull Scale IQFace perceptionAffective theoryRecognition difficultiesRecognition testEyes TestSocial dysfunctionRecognition abilityFace recognitionNeural cell‐derived plasma exosome protein abnormalities implicate mitochondrial impairment in first episodes of psychosis
Goetzl EJ, Srihari VH, Guloksuz S, Ferrara M, Tek C, Heninger GR. Neural cell‐derived plasma exosome protein abnormalities implicate mitochondrial impairment in first episodes of psychosis. The FASEB Journal 2021, 35: e21339. PMID: 33454965, DOI: 10.1096/fj.202002519r.Peer-Reviewed Original ResearchConceptsNeuron-derived extracellular vesiclesFunctional proteinsMitochondrial functional proteinsMitochondrial protein mitofusin 2Extracellular vesiclesMitochondrial ATP synthaseMitochondrial ATP synthase activityATP synthase activityTranscription factor AMitochondrial proteinsATP synthaseMyosin VICyclophilin DConversion of NADHMitofusin 2EV contentExosome markersPeptide humaninProteinMitochondrial impairmentSynthase activityProtein levelsFactor AMitochondriaVesicles
2020
Drug‐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 ResearchConceptsSchizophrenia 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 practicesAnalysis of Early Intervention Services on Adult Judicial Outcomes
Pollard JM, Ferrara M, Lin IH, Kucukgoncu S, Wasser T, Li F, Srihari VH. Analysis of Early Intervention Services on Adult Judicial Outcomes. JAMA Psychiatry 2020, 77: 871-872. PMID: 32320010, PMCID: PMC7177643, DOI: 10.1001/jamapsychiatry.2020.0448.Peer-Reviewed Original ResearchCognitive Effort and Amotivation in First-Episode Psychosis
Fortgang RG, Srihari V, Cannon TD. Cognitive Effort and Amotivation in First-Episode Psychosis. Journal Of Psychopathology And Clinical Science 2020, 129: 422-431. PMID: 32162929, DOI: 10.1037/abn0000509.Peer-Reviewed Original ResearchConceptsCognitive effortFirst-episode psychosisCognitive test performanceObserved cognitive deficitsAdditional monetary incentivesCognitive remediationCognitive tasksCognitive performanceDifficult trialsNovel taskCognitive deficitsAmotivationImpaired cognitionTest performanceCore featuresDisengagementLower overall accuracyHealthy community membersMonetary incentivesCurrent studyEpisode psychosisFEP patientsPsychotic disordersReduced effortTask
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 ResearchEarly intervention service for first episode psychosis in Modena, Northern Italy: The first hundred cases
Ferrara M, Tedeschini E, Baccari F, Musella V, Vacca F, Mazzi F, Ferri M, Srihari V, Starace F, Group F. Early intervention service for first episode psychosis in Modena, Northern Italy: The first hundred cases. Early Intervention In Psychiatry 2019, 13: 1011-1017. PMID: 30672134, DOI: 10.1111/eip.12788.Peer-Reviewed Original ResearchConceptsEarly intervention servicesClinical improvementMedian ageIntervention servicesCommunity mental health centerCommunity outpatient servicesPsychiatric hospital unitMeaningful clinical improvementFirst-episode psychosisModel of careNon-affective psychosisNation Outcome ScalesMental health centersHigher median ageEarly detection effortsRefinement of treatmentMain referralsPharmacological consultationYounger patientsUntreated psychosisOutcome ScaleGeneral practitionersEpisode psychosisHealth centersOutpatient services
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 stabilityDiagnosisOutcomesHospitalEffects 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 psychosisBlind Spots: Spatial analytics can identify nonrandom geographic variation in first episode psychosis program enrollments
Mathis WS, Woods S, Srihari V. Blind Spots: Spatial analytics can identify nonrandom geographic variation in first episode psychosis program enrollments. Early Intervention In Psychiatry 2018, 12: 1229-1234. PMID: 29927083, DOI: 10.1111/eip.12681.Peer-Reviewed Original ResearchConceptsPrimary care providersCare providersControl populationFirst episode psychosis programProgram enrollmentProgram catchment areaProvider Enumeration SystemPsychosis programSpecialty clinicRecruitment interventionsRisk populationsProgram enrolleesPositive findingsUS Census dataStatistical significanceHome addressEnrollmentEnrolleesProgram participantsPreliminary studyPopulationEnumeration systemFindingsProvidersClinicShould 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 group
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
Too Late and Too Little: Narratives of Treatment Disconnect in Early Psychosis
van Schalkwyk GI, Davidson L, Srihari V. Too Late and Too Little: Narratives of Treatment Disconnect in Early Psychosis. Psychiatric Quarterly 2015, 86: 521-532. PMID: 25663602, PMCID: PMC5576358, DOI: 10.1007/s11126-015-9348-4.Peer-Reviewed Original ResearchConceptsFirst episode psychosis programLong-term outcomesSpecialized treatment servicesOnset of psychosisInitial contactSpecialized servicesYounger patientsSignificant morbidityPsychosis programPatient preferencesEarly treatmentEffective treatmentEarly psychosisPsychiatric careTreatment experienceTreatment prioritiesPsychotic disordersTreatment servicesPatientsInductive thematic analysisFurther treatmentTreatmentDisproportionate improvementBehavioral changesCritical periodFirst-Episode Services for Psychotic Disorders in the U.S. Public Sector: A Pragmatic Randomized Controlled Trial
Srihari VH, Tek C, Kucukgoncu S, Phutane VH, Breitborde NJ, Pollard J, Ozkan B, Saksa J, Walsh BC, Woods SW. First-Episode Services for Psychotic Disorders in the U.S. Public Sector: A Pragmatic Randomized Controlled Trial. Psychiatric Services 2015, 66: 705-712. PMID: 25639994, PMCID: PMC4490067, DOI: 10.1176/appi.ps.201400236.Peer-Reviewed Original ResearchConceptsUsual treatmentSTEP participantsCommunity mental health centerFirst-episode servicesFirst-episode psychosisMental health centersSerious mental illnessInpatient psychiatric unitAntipsychotic exposureAdditional patientsIllness onsetHospital utilizationHealth centersInpatient utilizationPsychiatric hospitalizationMAIN OUTCOMEPsychotic illnessPsychiatric unitPsychotic disordersHospitalizationEarly interventionMental illnessSpecialized treatmentPatientsTranslational researchEquivalent 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