Adjunct Faculty
Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.
Adjunct rank detailsSilvia Corbera, PhD
About
Research
Publications
2025
The potential of AI for scale development: A self-report psychosis symptoms measure using ChatGPT
Tayfur S, Hazan H, Li F, Song Z, Corbera S, Tek C, Srihari V. The potential of AI for scale development: A self-report psychosis symptoms measure using ChatGPT. Schizophrenia Research 2025, 284: 111-113. PMID: 40763549, DOI: 10.1016/j.schres.2025.07.030.Peer-Reviewed Original ResearchUsing the excitation/inhibition ratio to optimize the classification of autism and schizophrenia
Uscătescu L, Hyatt C, Dunn J, Kronbichler M, Calhoun V, Corbera S, Pelphrey K, Pittman B, Pearlson G, Assaf M. Using the excitation/inhibition ratio to optimize the classification of autism and schizophrenia. Translational Psychiatry 2025, 15: 234. PMID: 40634290, PMCID: PMC12241497, DOI: 10.1038/s41398-025-03455-8.Peer-Reviewed Original ResearchConceptsAutism Diagnostic Observation ScheduleBermond-Vorst Alexithymia QuestionnaireEmpathy QuotientE/I ratioResting state fMRI dataClassification of autismReplication datasetAlexithymia QuestionnairePANSSSchizophreniaObservation ScheduleFMRI dataGroup differencesAutismExcitation/inhibition ratioIQE/IHurst (H) exponentRandom forest classifierExcitation/inhibitionTDClassification performanceTime courseClassification analysisExploratory datasetEnhancing Coordinated Specialty Care Through Early Detection: Impact of Reduced Duration of Untreated Psychosis
Hazan H, Ferrara M, Zhou B, Li F, Imetovski S, Sykes L, Pollard J, Cahill J, Gibbs-Dean T, Corbera S, Karmani S, Riley S, Tayfur S, Tek C, Keshavan M, Srihari V. Enhancing Coordinated Specialty Care Through Early Detection: Impact of Reduced Duration of Untreated Psychosis. Schizophrenia Bulletin 2025, 51: 1730-1737. PMID: 40339151, PMCID: PMC12597490, DOI: 10.1093/schbul/sbaf044.Peer-Reviewed Original ResearchDuration of untreated psychosisFirst-episode psychosisCoordinated Specialty CareUntreated psychosisMediation analysisShorter duration of untreated psychosisFirst-episode psychosis patientsEarly interventionEarly psychosisBenefits of early interventionPsychosisGAFFunctional outcomesGlobal assessmentEarly detection campaignsSpecialty careIntake processRecovery outcomesSpecial treatmentQuality of lifeStreamlining referralsFunctional recoveryScoresPatientsInterventionInsight and Its Trajectory: Predicting the Risk of Psychiatric Hospitalizations Among First-Episode Psychosis During the First Year of Coordinated Specialty Care
Hazan H, Ferrara M, Gibbs-Dean T, Tayfur S, Corbera S, Karmani S, Song Z, Li F, Vlachos I, Selakovic M, Tek C, Srihari V. Insight and Its Trajectory: Predicting the Risk of Psychiatric Hospitalizations Among First-Episode Psychosis During the First Year of Coordinated Specialty Care. Schizophrenia Bulletin 2025, sbaf019. PMID: 40227145, DOI: 10.1093/schbul/sbaf019.Peer-Reviewed Original ResearchCoordinated Specialty CareFirst-episode psychosisBaseline insightRisk of psychiatric hospitalizationFirst-episodeEarly psychosisInsight groupLength of stayPsychiatric hospitalSpecialty carePsychosisLongitudinal trajectoriesGreater reductionsHospital outcomesHigh-low-highPredicting clinical improvementHospital dataModifiable factorsMonths pre-ParticipantsHospitalization riskClinical improvementRecovery trajectoriesReduce hospitalizationsBaselineThe impact of Duration of Untreated Psychosis on functioning and quality of life over one year of Coordinated Specialty Care (CSC)
Hazan H, Tayfur S, Zhou B, Li F, Gibbs-Dean T, Karmani S, Kline E, Ferrara M, Corbera S, Riley S, Sykes L, Tek C, Keshavan M, Srihari V. The impact of Duration of Untreated Psychosis on functioning and quality of life over one year of Coordinated Specialty Care (CSC). PLOS ONE 2025, 20: e0312740. PMID: 39928579, PMCID: PMC11809850, DOI: 10.1371/journal.pone.0312740.Peer-Reviewed Original ResearchConceptsCoordinated Specialty CareQuality of lifeDuration of untreated psychosisDUP groupWorld Health OrganizationYear of coordinated specialty careGeneralized linear modelConfidence intervalsBinary outcomesGlobal functioningDuration of untreated psychosis groupSymptom severityUntreated psychosisSpecialty careCSC programsImpact of duration of untreated psychosisFunctional gainsModel repeated measuresMixed model repeated measuresOdds ratioNo significant differenceLogit link functionStatus improvementContinuous outcomesSocial functioningInternational perspective on social cognition in schizophrenia: current stage and the next steps
Corbera S, Kurtz M, Achim A, Agostoni G, Amado I, Assaf M, Barlati S, Bechi M, Cavallaro R, Ikezawa S, Okano H, Okubo R, Penadés R, Uchino T, Vita A, Yamada Y, Bell M. International perspective on social cognition in schizophrenia: current stage and the next steps. European Psychiatry 2025, 68: e9. PMID: 39812093, PMCID: PMC11795453, DOI: 10.1192/j.eurpsy.2024.1776.Peer-Reviewed Original ResearchConceptsSocial cognitionSocial neuroscienceAssess social cognitionSocial cognitive measuresSocial cognitive abilitiesClinical psychologyCognitive measuresSocial dysfunctionCognitive abilitiesSchizophreniaCognitive evaluationFunctional difficultiesCognitionCognitive scienceClinical practiceNeuroscienceMounting evidenceInternational scientific researchPsychologyCliniciansPsychiatryPoor clinical outcomesScientific rigorIllnessResearchSocial functioning and frontal alpha asymmetry in schizophrenia
Farina E, Assaf M, Corbera S, Choi J, Yantz C, Chen C. Social functioning and frontal alpha asymmetry in schizophrenia. Journal Of Psychiatric Research 2025, 182: 74-82. PMID: 39799666, PMCID: PMC11830537, DOI: 10.1016/j.jpsychires.2025.01.006.Peer-Reviewed Original ResearchConceptsFrontal alpha asymmetryAutism spectrum disorderReduced social functioningSocial functioningNeurophysiological markersAlpha asymmetryPsychiatric disordersAtypical social behaviorUnique to schizophreniaSelf-report measuresHealthy controlsResting-state electroencephalogramClinical InterviewPsychiatric diagnosisSchizophreniaSpectrum disorderDiagnostic groupsReduced motivationSocial behaviorDisordersEmotional tendencyAnalysis of varianceClinical manifestationsElectroencephalogramAutism
2024
Disentangling negative and positive symptoms in schizophrenia and autism spectrum disorder
Corbera S, Wexler B, Bell M, Pittman B, Pelphrey K, Pearlson G, Assaf M. Disentangling negative and positive symptoms in schizophrenia and autism spectrum disorder. Schizophrenia Research 2024, 271: 1-8. PMID: 39002525, PMCID: PMC11384336, DOI: 10.1016/j.schres.2024.07.002.Peer-Reviewed Original ResearchAutism spectrum disorderPositive and Negative Syndrome ScaleAutism Diagnostic Observation Schedule-GenericExperiential negative symptomsPositive symptomsNegative symptomsExploratory factor analysisSpectrum disorderNegative Syndrome ScaleTarget negative symptomsSyndrome ScaleDiscriminant function analysisSZ relativesAssociated with quality of lifeSchizophreniaSocial skillsSocial functioningDiagnostic classificationAutismFactor analysisAssociated with qualityPredictor of diagnosisSymptomsDisordersQuality of lifeAuthors’ Response to Peer Reviews of “The Role of Anxiety and Prosocial Behaviors on Adherence Behaviors to Prevent COVID-19 in University Students in the United States: Cross-Sectional Study”
Corbera S, Marín-Chollom A. Authors’ Response to Peer Reviews of “The Role of Anxiety and Prosocial Behaviors on Adherence Behaviors to Prevent COVID-19 in University Students in the United States: Cross-Sectional Study”. JMIRx Med 2024, 5: e58859. PMCID: PMC11149056, DOI: 10.2196/58859.Peer-Reviewed Original ResearchThe Role of Anxiety and Prosocial Behaviors on Adherence Behaviors to Prevent COVID-19 in University Students in the United States: Cross-Sectional Study
Corbera S, Marín-Chollom A. The Role of Anxiety and Prosocial Behaviors on Adherence Behaviors to Prevent COVID-19 in University Students in the United States: Cross-Sectional Study. JMIRx Med 2024, 5: e52970. PMID: 38832671, PMCID: PMC11149054, DOI: 10.2196/52970.Peer-Reviewed Original ResearchPublic prosocial behaviorsProsocial behaviorLevels of anxietyAdherence to COVID-19 preventive behaviorsCOVID-19 preventive behaviorsAnxiety typesModeration analysisInfluence of prosocial behaviorHigher levels of traitAdherence behaviorState anxiety symptomsLevels of traitSelf-oriented behaviorHigher prosocial behaviorAssociated with higher engagementAssociated with lower engagementAnxiety symptomsPsychology departmentsLower anxietyPredicting engagementHigher anxietyState anxietyAcute stressCreation of interventionsAnxiety