2000
Emotional discomfort and impairments in verbal memory in schizophrenia
Lysaker P, Bell M, Greig T, Bryson G. Emotional discomfort and impairments in verbal memory in schizophrenia. Psychiatry Research 2000, 97: 51-59. PMID: 11104857, DOI: 10.1016/s0165-1781(00)00221-3.Peer-Reviewed Original ResearchConceptsVerbal memoryEmotional discomfortLogical memoryVerbal memory deficitsVerbal memory testsDigit Span subtestForms of memorySymptoms of dysphoriaEmotional discomfort symptomsCognitive symptom scoresMemory testPsychosocial deficitsMemory deficitsNegative Syndrome ScaleConcurrent measuresMemoryHopkins testFactor scoresSyndrome ScalePoor performanceMultiple regressionSchizophreniaGreater levelsDeficitsImpairment
1997
Positive and negative affect recognition in schizophrenia: a comparison with substance abuse and normal control subjects
Bell M, Bryson G, Lysaker P. Positive and negative affect recognition in schizophrenia: a comparison with substance abuse and normal control subjects. Psychiatry Research 1997, 73: 73-82. PMID: 9463840, DOI: 10.1016/s0165-1781(97)00111-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAffective SymptomsAnalysis of VarianceCase-Control StudiesChi-Square DistributionEmotionsFemaleHumansMalePsychology, ExperimentalPsychometricsReference ValuesReproducibility of ResultsSampling StudiesSchizophrenic PsychologySocial PerceptionSubstance-Related DisordersVideotape RecordingConceptsAffect recognitionSchizophrenia sampleSocial skills impairmentSubstance abuseHigh EE familiesSubstance-abusing subjectsSignificant group differencesRecognition deficitsAffect statesSkill impairmentStimulus presentationTest-retest reliabilityDifferential impairmentPredominant affectAffect interactionEE familiesDifficulty of itemsSchizophrenia groupGroup differencesBrain functionSchizophrenia subjectsMild rangeSevere rangeModerate rangeAbuse subjects
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