2011
Social Cognitive Impairments and Negative Symptoms in Schizophrenia: Are There Subtypes With Distinct Functional Correlates?
Bell MD, Corbera S, Johannesen JK, Fiszdon JM, Wexler BE. Social Cognitive Impairments and Negative Symptoms in Schizophrenia: Are There Subtypes With Distinct Functional Correlates? Schizophrenia Bulletin 2011, 39: 186-196. PMID: 21976710, PMCID: PMC3523908, DOI: 10.1093/schbul/sbr125.Peer-Reviewed Original ResearchConceptsHigher social cognitionLower social cognitionSocial cognitive impairmentsHigh-negative symptom groupSocial cognitionNegative-symptom groupNegative symptomsCaruso Emotional Intelligence TestSocial cognitive measuresEmotional Intelligence TestSocial cognitive factorsCognitive impairmentSymptom groupsNegative symptom factorMayer-SaloveyCommon assessment instrumentsCognitive factorsCognitive measuresSubstance abuse historyIntelligence testsCore featuresAbuse historyIndependent dimensionsDistinct factorsSymptom factors
2001
Memory and executive function impairments in deficit syndrome schizophrenia
Bryson G, Whelahan H, Bell M. Memory and executive function impairments in deficit syndrome schizophrenia. Psychiatry Research 2001, 102: 29-37. PMID: 11368837, DOI: 10.1016/s0165-1781(01)00245-1.Peer-Reviewed Original ResearchConceptsDeficit syndrome schizophreniaVerbal memoryWisconsin Card Sorting TestWechsler Adult Intelligence TestVerbal memory factorCognitive impairmentSpecific cognitive impairmentsCard Sorting TestExecutive function impairmentWechsler Memory ScaleAdult Intelligence TestGlobal cognitive impairmentNon-deficit syndromeExecutive processingExecutive functioningExecutive functionMemory factorMemory ScaleSorting TestIntelligence testsDeficit groupMemoryFactor analysisDeficit syndromeImpairment
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