2025
Emergence and dynamics of delusions and hallucinations across stages in early psychosis
Mourgues-Codern C, Benrimoh D, Gandhi J, Farina E, Vin R, Zamorano T, Parekh D, Malla A, Joober R, Lepage M, Iyer S, Addington J, Bearden C, Cadenhead K, Cornblatt B, Keshavan M, Stone W, Mathalon D, Perkins D, Walker E, Cannon T, Woods S, Shah J, Powers A. Emergence and dynamics of delusions and hallucinations across stages in early psychosis. Biological Psychiatry 2025 PMID: 40020853, DOI: 10.1016/j.biopsych.2025.02.891.Peer-Reviewed Original ResearchFirst-episode psychosis patientsSymptom patternsNorth American Prodrome Longitudinal StudyPositive symptoms of psychosisSymptoms of psychosisCHR-P samplesEarly intervention programsPositive symptomsDelusional ideationPsychosis patientsEarly psychosisCHR-PNeural mechanismsDelusionsHallucination onsetHallucinationsPsychosisBaseline assessmentLongitudinal studyIntervention programsSymptomsTime courseParticipantsIdeationOnset
2022
Accelerated cortical thinning precedes and predicts conversion to psychosis: The NAPLS3 longitudinal study of youth at clinical high-risk
Collins M, Ji J, Chung Y, Lympus C, Afriyie-Agyemang Y, Addington J, Goodyear B, Bearden C, Cadenhead K, Mirzakhanian H, Tsuang M, Cornblatt B, Carrión R, Keshavan M, Stone W, Mathalon D, Perkins D, Walker E, Woods S, Powers A, Anticevic A, Cannon T. Accelerated cortical thinning precedes and predicts conversion to psychosis: The NAPLS3 longitudinal study of youth at clinical high-risk. Molecular Psychiatry 2022, 28: 1182-1189. PMID: 36434057, PMCID: PMC10005940, DOI: 10.1038/s41380-022-01870-7.Peer-Reviewed Original ResearchConceptsCHR-NCPercent thickness changeCortical thinningPsychosis onsetHealth controlsProgressive grey matter lossNorth American Prodrome Longitudinal StudyClinical high-risk individualsGray matter lossHigh-risk individualsLongitudinal studyGreater percent decreaseNovel treatment targetsParietal cortical regionsTargeted early interventionsCortical thicknessCortical areasMRI scansCHR individualsTreatment targetsEarly interventionCortical regionsLeft hemisphere regionsROC analysisHC participants
2019
Duration of the psychosis prodrome
Powers AR, Addington J, Perkins DO, Bearden CE, Cadenhead KS, Cannon TD, Cornblatt BA, Mathalon DH, Seidman LJ, Tsuang MT, Walker EF, McGlashan TH, Woods SW. Duration of the psychosis prodrome. Schizophrenia Research 2019, 216: 443-449. PMID: 31806523, PMCID: PMC7539292, DOI: 10.1016/j.schres.2019.10.051.Peer-Reviewed Original ResearchConceptsSyndrome onsetPsychosis prodromeNorth American Prodrome Longitudinal StudyCHR-P patientsClinical high-risk syndromeHigh-risk syndromePsychosis risk syndromeMedication exposureProdromal periodFrank psychosisRisk syndromeProdromePsychosisLongitudinal studySyndromeOnsetStructured interviewsDurationFirst descriptionThirdYearsFinal thirdPatientsMonths
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