1998
Neurocognitive function and insight in schizophrenia: support for an association with impairments in executive function but not with impairments in global function
Lysaker P, Bell M, Bryson G, Kaplan E. Neurocognitive function and insight in schizophrenia: support for an association with impairments in executive function but not with impairments in global function. Acta Psychiatrica Scandinavica 1998, 97: 297-301. PMID: 9570491, DOI: 10.1111/j.1600-0447.1998.tb10003.x.Peer-Reviewed Original ResearchConceptsExecutive functionImpaired insightWisconsin Card Sorting TestFrontal lobe functionCard Sorting TestGlobal cognitive functionLobe functionSorting TestNeuropsychological testsCognitive functionNegative Syndrome ScaleNeurocognitive functionInsight ratingNeurocognitive impairmentAbstract FlexibilitySyndrome ScaleSchizoaffective disorderMemorySchizophreniaImpairmentVigilanceScheffe testPerseverationDeficitsRatings
1995
Cognitive Deficits in Schizophrenia
LYSAKER P, BELL M, BIOTY S. Cognitive Deficits in Schizophrenia. The Journal Of Nervous And Mental Disease 1995, 183: 332-336. PMID: 7745389, DOI: 10.1097/00005053-199505000-00010.Peer-Reviewed Original ResearchConceptsSymptom improvementCognitive impairmentSubgroup of patientsSymptom dimensionsLack of improvementMost patientsClinical effectivenessRehabilitation programWisconsin Card Sorting TestCognitive deficitsPatientsCard Sorting TestNeuropsychological testsSymptom measuresDisorder scoresPotential roleCognitive remediationSchizophreniaImpairmentSorting TestStandardized scoresPresent studyRehabilitationSubjectsRecent studies
1994
Concurrent validity of the cognitive component of schizophrenia: Relationship of PANSS scores to neuropsychological assessments
Bell M, Lysaker P, Milstein R, Beam-Goulet J. Concurrent validity of the cognitive component of schizophrenia: Relationship of PANSS scores to neuropsychological assessments. Psychiatry Research 1994, 54: 51-58. PMID: 7701028, DOI: 10.1016/0165-1781(94)90064-7.Peer-Reviewed Original ResearchConceptsWisconsin Card Sorting TestCognitive componentsNeuropsychological testsDigit Symbol Substitution TaskNegative syndromeCard Sorting TestSlosson Intelligence TestGorham's Proverbs TestNeuropsychological measuresSorting TestIntelligence testsSubstitution taskNeuropsychological assessmentPANSS scoresCognitive deficitsProverbs TestNegative Syndrome ScaleCognitive symptomsValid measureTest scoresConcurrent validityDiagnosis of schizophreniaCognitive impairmentSyndrome ScaleFactor analysis