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
2018
The duration of untreated psychosis: a phenomenological study
Kamens S, Davidson L, Hyun E, Jones N, Morawski J, Kurtz M, Pollard J, van Schalkwyk GI, Srihari V. The duration of untreated psychosis: a phenomenological study. Psychosis 2018, 10: 307-318. PMID: 31871485, PMCID: PMC6927331, DOI: 10.1080/17522439.2018.1524924.Peer-Reviewed Original ResearchUntreated psychosisYoung adultsEarly detection campaignsStandardized baseline assessmentRecent-onset psychosisPsychosocial risk factorsEarly intervention servicesMajority of participantsFunctional outcomeRisk factorsTreatment contactOnset psychosisPsychosis onsetEarly psychosisBaseline assessmentEarly interventionPsychosisEarly detectionIntervention servicesYoung adulthoodDetection campaignsYoung personPresent studyParticipantsAdults
2011
Who Is Paying the Price? Loss of Health Insurance Coverage Early in Psychosis
Dodds TJ, Phutane VH, Stevens BJ, Woods SW, Sernyak MJ, Srihari VH. Who Is Paying the Price? Loss of Health Insurance Coverage Early in Psychosis. Psychiatric Services 2011, 62: 878-881. PMID: 21807825, PMCID: PMC4469900, DOI: 10.1176/ps.62.8.pss6208_0878.Peer-Reviewed Original ResearchConceptsHealth insurance coverageInsurance coverageConnecticut Mental Health CenterClinical chart reviewEarly psychosis patientsLong-term outcomesContinuity of careMental health centersPeriod of illnessChart reviewInsurance statusHealth centersEarly psychosisSpecialty servicesClinician reportsPrivate insurancePublic insuranceSpecialized treatmentPsychosisHealth insuranceMonthsOne-thirdParticipantsInsurancePatients