2021
Longitudinal clinical and functional outcome in distinct cognitive subgroups of first-episode psychosis: a cluster analysis
Oomen P, Begemann M, Brand B, de Haan L, Veling W, Koops S, van Os J, Smit F, Bakker P, van Beveren N, Boonstra N, Gülöksüz S, Kikkert M, Lokkerbol J, Marcelis M, Rosema B, de Beer F, Gangadin S, Geraets C, van ‘t Hag E, Haveman Y, van der Heijden I, Voppel A, Willemse E, van Amelsvoort T, Bak M, Batalla A, Been A, van den Bosch M, van den Brink T, Faber G, Grootens K, de Jonge M, Knegtering R, Kurkamp J, Mahabir A, Pijnenborg G, Staring T, Veen N, Veerman S, Wiersma S, Graveland E, Hoornaar J, Sommer I. Longitudinal clinical and functional outcome in distinct cognitive subgroups of first-episode psychosis: a cluster analysis. Psychological Medicine 2021, 53: 2317-2327. PMID: 34664546, PMCID: PMC10123843, DOI: 10.1017/s0033291721004153.Peer-Reviewed Original ResearchConceptsDistinct cognitive subgroupsCognitive subgroupsFirst-episode psychosisDiscrete cognitive profilesGeneral functioningTrend-level effectsCognitive profileSelf-reported functional outcomesCognitive clustersCognitive deficitsCognitionBrief assessmentFunctional outcomeLarge sampleFEP patientsClinical outcomesCurrent resultsSevere clinical symptomsPsychosisEarly identificationHealthy controlsCluster analysisClinical symptomsFunctioningDeficits
2020
Cognitive 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
Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study
Xenaki L, Kollias C, Stefanatou P, Ralli I, Soldatos R, Dimitrakopoulos S, Hatzimanolis A, Triantafyllou T, Kosteletos I, Vlachos I, Selakovic M, Foteli S, Mantonakis L, Ermiliou V, Voulgaraki M, Psarra E, Gülöksüz S, van Os J, Stefanis N. Organization framework and preliminary findings from the Athens First‐Episode Psychosis Research Study. Early Intervention In Psychiatry 2019, 14: 343-355. PMID: 31402581, DOI: 10.1111/eip.12865.Peer-Reviewed Original ResearchConceptsRisk factorsMild functional improvementLongitudinal cohort studySymptom severity criteriaPoor cognitive performanceOutcome of psychosisPreliminary findingsPatients 16Cohort studyAntipsychotic treatmentClinical pictureFEP patientsClinical managementFunctional improvementFamily historyEmergency unitBaseline presentationSeverity criteriaPsychiatric hospitalPsychotic disordersClinical InterviewDrug usePotential associationGene-environment interaction studiesBiochemical parameters
2015
Antipsychotic‐induced weight gain in first‐episode psychosis patients: a meta‐analysis of differential effects of antipsychotic medications
Tek C, Kucukgoncu S, Guloksuz S, Woods SW, Srihari VH, Annamalai A. Antipsychotic‐induced weight gain in first‐episode psychosis patients: a meta‐analysis of differential effects of antipsychotic medications. Early Intervention In Psychiatry 2015, 10: 193-202. PMID: 25962699, PMCID: PMC5589463, DOI: 10.1111/eip.12251.Peer-Reviewed Original ResearchConceptsFirst-episode psychosisAP medicationFEP patientsBody weight gainBMI increaseWeight gainAP useBody mass index (BMI) changeSignificant body weight gainWeight gain riskMore weight gainComprehensive literature searchMean weight gainMeta-regression analysisBaseline weightBMI changeModifiable factorsBMI differencesMedicationsBMI outcomesPlaceboHigher weight gainBMILiterature searchPatients
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