1999
Internal consistency, temporal stability and neuropsychological correlates of three cognitive components of the Positive and Negative Syndrome Scale (PANSS)
Bryson G, Bell M, Greig T, Kaplan E. Internal consistency, temporal stability and neuropsychological correlates of three cognitive components of the Positive and Negative Syndrome Scale (PANSS). Schizophrenia Research 1999, 38: 27-35. PMID: 10427608, DOI: 10.1016/s0920-9964(99)00004-3.Peer-Reviewed Original ResearchConceptsNegative Syndrome ScaleSyndrome ScaleInternal consistencyCognitive componentsDSM-IV diagnosisSymptom compositionConcurrent validityDiscriminant validityCognitive dysfunctionCognitive test measuresSchizoaffective disorderPANSS factorsTemporal stabilityNegative symptomsAdequate temporal stabilityPANSS dataFactor analytic studiesSymptomsSchizophrenia researchSimilar psychometric propertiesSchizophreniaDisorganized symptomsNeuropsychological correlatesCognitive domainsPoorer psychometrics
1994
Insight and Cognitive Impairment in Schizophrenia Performance on Repeated Administrations of the Wisconsin Card Sorting Test
LYSAKER P, BELL M. Insight and Cognitive Impairment in Schizophrenia Performance on Repeated Administrations of the Wisconsin Card Sorting Test. The Journal Of Nervous And Mental Disease 1994, 182: 656-660. PMID: 7964675, DOI: 10.1097/00005053-199411000-00010.Peer-Reviewed Original ResearchConceptsPoor insightCognitive impairmentImpaired insightWisconsin Card Sorting TestCard Sorting TestPoor treatment complianceSorting TestTreatment complianceRepeated administrationNeuropsychological dysfunctionCognitive deficitsPatientsSchizophreniaImpairmentPerformance deficitsAdministrationSchizophrenia performanceSubjectsDeficitsPerseverative errorsDysfunctionEtiologyIllnessEffects of IQ