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 thirdPatientsMonthsReliability, Validity, Epidemiology, and Cultural Variation of the Structured Interview for Psychosis-Risk Syndromes (SIPS) and the Scale of Psychosis-Risk Symptoms (SOPS)
Woods S, Walsh B, Powers A, McGlashan T. Reliability, Validity, Epidemiology, and Cultural Variation of the Structured Interview for Psychosis-Risk Syndromes (SIPS) and the Scale of Psychosis-Risk Symptoms (SOPS). 2019, 85-113. DOI: 10.1007/978-3-030-17336-4_5.Peer-Reviewed Original ResearchPsychosis risk syndromePsychosis risk symptomsClinical high-risk syndromeHigh-risk syndromeStructured interviewsInter-rater reliabilityCHR casesSeverity ScaleSIPS diagnosesEpidemiology studiesTotal scoreSyndromeSymptom subtypesCHR sampleFavorable psychometric propertiesSymptomsPsychometric propertiesDiagnostic instrumentDiscriminant validityMedian inter-rater reliabilityGeneral itemsEpidemiologyPrevalencePsychosisSubtypes