2019
Predictive validity of conversion from the clinical high risk syndrome to frank psychosis
Yoviene Sykes LA, Ferrara M, Addington J, Bearden CE, Cadenhead KS, Cannon TD, Cornblatt BA, Perkins DO, Mathalon DH, Seidman LJ, Tsuang MT, Walker EF, McGlashan TH, Woodberry KA, Powers AR, Ponce AN, Cahill JD, Pollard JM, Srihari VH, Woods SW. Predictive validity of conversion from the clinical high risk syndrome to frank psychosis. Schizophrenia Research 2019, 216: 184-191. PMID: 31864837, PMCID: PMC7239715, DOI: 10.1016/j.schres.2019.12.002.Peer-Reviewed Original ResearchConceptsFrank psychosisFirst-episode psychosis patientsOne-yearNorth American Prodromal Longitudinal StudySeverity of illnessClinical high-risk syndromeCurrent antipsychotic medicationsHigh-risk syndromePsychosis risk syndromeClinical high riskPredictive validityFEP casesPrescription ratesAntipsychotic medicationPsychosis patientsRisk syndromePsychosis onsetHigh riskLittle investigative attentionDiagnostic stabilityCHR individualsPsychosis paradigmPsychosisLongitudinal studySyndrome
2013
Deficient Suppression of Default Mode Regions during Working Memory in Individuals with Early Psychosis and at Clinical High-Risk for Psychosis
Fryer SL, Woods SW, Kiehl KA, Calhoun VD, Pearlson GD, Roach BJ, Ford JM, Srihari VH, McGlashan TH, Mathalon DH. Deficient Suppression of Default Mode Regions during Working Memory in Individuals with Early Psychosis and at Clinical High-Risk for Psychosis. Frontiers In Psychiatry 2013, 4: 92. PMID: 24032017, PMCID: PMC3768116, DOI: 10.3389/fpsyt.2013.00092.Peer-Reviewed Original ResearchHealthy controlsDefault mode networkPsychosis onsetDMN regionsSeed-based connectivity analysisEarly schizophrenia patientsDMN suppressionClinical high riskLoad-dependent increaseMedial prefrontal cortexPosterior DMN nodesSuppression of activityPosterior parietal cortexResting-state fMRI dataDorsolateral prefrontal cortex activationDeficient suppressionESZ groupsESZ patientsPrefrontal cortex activationHigh riskEarly psychosisSchizophrenia patientsCHR individualsCortex activationLoad-dependent modulation