2016
Cognitive remediation for individuals with psychosis: efficacy and mechanisms of treatment effects
Fiszdon J, Choi K, Bell M, Choi J, Silverstein S. Cognitive remediation for individuals with psychosis: efficacy and mechanisms of treatment effects. Psychological Medicine 2016, 46: 3275-3289. PMID: 27605034, DOI: 10.1017/s0033291716001951.Peer-Reviewed Original ResearchConceptsVerbal learningVisuospatial memoryCognitive remediation interventionsTraining task performanceIntrapsychic foundations subscalesMedium-sized correlationsPost-training improvementInterviewer-rated measuresSelf-report measuresIndependent living skillsWait-list controlEvidence-based treatmentsCognitive remediationVerbal memoryNeuropsychological measuresRemediation interventionsTask performanceTask improvementTraining tasksLiving skillsNeuropsychological improvementCR efficacyGroup differencesMemoryFunctioningCognitive Training and Work Therapy for the Treatment of Verbal Learning and Memory Deficits in Veterans With Alcohol Use Disorders
Bell MD, Vissicchio NA, Weinstein AJ. Cognitive Training and Work Therapy for the Treatment of Verbal Learning and Memory Deficits in Veterans With Alcohol Use Disorders. Journal Of Dual Diagnosis 2016, 12: 83-89. PMID: 26828571, PMCID: PMC4932894, DOI: 10.1080/15504263.2016.1145779.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcohol-Related DisordersCognitive Behavioral TherapyDiagnosis, Dual (Psychiatry)Follow-Up StudiesHumansInterview, PsychologicalLearning DisabilitiesMaleMemory DisordersMiddle AgedNeuropsychological TestsOccupational TherapyOutpatientsPilot ProjectsSeverity of Illness IndexTreatment OutcomeUnited StatesUnited States Department of Veterans AffairsVerbal LearningVeteransConceptsCognitive training conditionCognitive trainingVerbal learningAlcohol use disorderMemory deficitsVerbal memoryTraining conditionsUse disordersSignificant verbal memory deficitsWork therapyVerbal learning deficitsVerbal learning taskVerbal memory deficitsPremorbid estimatesSignificant condition effectVerbal IQSix monthsLearning taskAlone conditionLearning deficitsCondition effectsSignificant deficitsThree monthsEarly-phase recoveryDeficits
2015
Visual and verbal learning deficits in Veterans with alcohol and substance use disorders
Bell MD, Vissicchio NA, Weinstein AJ. Visual and verbal learning deficits in Veterans with alcohol and substance use disorders. Drug And Alcohol Dependence 2015, 159: 61-65. PMID: 26684868, PMCID: PMC4724542, DOI: 10.1016/j.drugalcdep.2015.11.007.Peer-Reviewed Original ResearchConceptsHopkins Verbal Learning TestBrief Visuospatial Memory TestVerbal learning deficitsVerbal learningVisual learningLearning deficitsNew verbal informationVisuospatial Memory TestVerbal Learning TestMemory testLearning TestVerbal informationSubstance use disordersSUD participantsAUD participantsWeeks of abstinenceDSM-5Alcohol useUse disordersLearningDeficitsDiagnostic groupsParticipantsAUDComprehensive rehabilitation program
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
2010
Social attribution test — multiple choice (SAT-MC) in schizophrenia: Comparison with community sample and relationship to neurocognitive, social cognitive and symptom measures
Bell MD, Fiszdon JM, Greig TC, Wexler BE. Social attribution test — multiple choice (SAT-MC) in schizophrenia: Comparison with community sample and relationship to neurocognitive, social cognitive and symptom measures. Schizophrenia Research 2010, 122: 164-171. PMID: 20400268, PMCID: PMC2908733, DOI: 10.1016/j.schres.2010.03.024.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceChoice BehaviorCognition DisordersDisability EvaluationFemaleHumansInterpersonal RelationsLogistic ModelsMaleMiddle AgedNeuropsychological TestsPsychiatric Status Rating ScalesReproducibility of ResultsResidence CharacteristicsROC CurveSchizophreniaSchizophrenic PsychologySocial PerceptionConceptsSocial Attribution Task-Multiple ChoiceSocial cognitive measuresCognitive measuresAffect recognitionCommunity sampleSocial cognitive impairmentsTheory of mindSignificant group differencesMATRICS batteryNeurocognitive measuresSCZ participantsVerbal processesAutism researchCognition indexLongitudinal designSymptom measuresGroup differencesCognitive impairmentCommunity-dwelling participantsGeometric figuresSchizoaffective disorderParticipantsSchizophreniaImpairmentMultiple-choice questionsMemory profiles in schizophrenia: Categorization validity and stability
Bell MD, Johannesen JK, Greig TC, Wexler BE. Memory profiles in schizophrenia: Categorization validity and stability. Schizophrenia Research 2010, 118: 26-33. PMID: 20085855, PMCID: PMC3699867, DOI: 10.1016/j.schres.2009.12.037.Peer-Reviewed Original ResearchConceptsSocial cognitive domainsMemory profileCognitive domainsHopkins Verbal LearningCluster analytic techniquesSocial cognitionVerbal learningVerbal memorySubcortical impairmentNeuropsychological assessmentCommunity mental health centerCortical impairmentMental health centersSchizoaffective disorderMotor speedCurrent studySchizophreniaIllness characteristicsMemoryUrban community mental health centerImpairmentSimple decision rulesCognitionCluster analysisCluster groups
2008
Neurocognitive enhancement therapy with vocational services: Work outcomes at two-year follow-up
Bell MD, Zito W, Greig T, Wexler BE. Neurocognitive enhancement therapy with vocational services: Work outcomes at two-year follow-up. Schizophrenia Research 2008, 105: 18-29. PMID: 18715755, DOI: 10.1016/j.schres.2008.06.026.Peer-Reviewed Original ResearchMeSH KeywordsAdultCognition DisordersCognitive Behavioral TherapyCombined Modality TherapyEmploymentEmployment, SupportedFemaleFollow-Up StudiesHumansMaleNeuropsychological TestsOccupational TherapyPsychiatric Status Rating ScalesPsychotherapy, GroupPsychotic DisordersRehabilitation, VocationalSchizophreniaSchizophrenic PsychologyTreatment OutcomeVocational EducationConceptsNeurocognitive enhancement therapyEnhancement therapyComputer-based cognitive trainingCommunity-based vocational servicesWeekly support groupsCognitive remediationCognitive trainingExecutive functionWork outcomesRemediation programVocational outcomesCommunity mental health centerMental health centersCognitive impairmentSixth quarterVocational servicesNet trainingTherapy outcomeSupport groupsCompetitive employmentSchizophreniaRehabilitation methodsSchizoaffective patientsEmployment programsTrainingNeurocognition, Social Cognition, Perceived Social Discomfort, and Vocational Outcomes in Schizophrenia
Bell M, Tsang HW, Greig TC, Bryson GJ. Neurocognition, Social Cognition, Perceived Social Discomfort, and Vocational Outcomes in Schizophrenia. Schizophrenia Bulletin 2008, 35: 738-747. PMID: 18245058, PMCID: PMC2696363, DOI: 10.1093/schbul/sbm169.Peer-Reviewed Original ResearchConceptsSocial cognitionSocial discomfortLatent constructsRehabilitation outcomesPoorer social cognitionTheory of mindImportant mediating variableConfirmatory factor analysisWork therapy programExecutive functioningVerbal memoryAffect recognitionPoor rehabilitation outcomeProcessing speedTest batteryCognitionNeurocognitionMediating variableVocational outcomesThought disorderPath analysisIndirect effectsTherapy programPossible mediatorsFactor analysis
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 ResearchMeSH KeywordsAdultCognition DisordersFemaleHumansMaleMemory DisordersNeuropsychological TestsQuality of LifeSchizophreniaSemanticsSeverity of Illness IndexConceptsDeficit 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
2000
Object relations and reality testing in early‐ and late‐onset schizophrenia
Greig T, Bell M, Kaplan E, Bryson G. Object relations and reality testing in early‐ and late‐onset schizophrenia. Journal Of Clinical Psychology 2000, 56: 505-517. PMID: 10775044, DOI: 10.1002/(sici)1097-4679(200004)56:4<505::aid-jclp5>3.0.co;2-b.Peer-Reviewed Original Research
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
1998
Personality and psychosocial dysfunction in schizophrenia: the association of extraversion and neuroticism to deficits in work performance
Lysaker P, Bell M, Kaplan E, Bryson G. Personality and psychosocial dysfunction in schizophrenia: the association of extraversion and neuroticism to deficits in work performance. Psychiatry Research 1998, 80: 61-68. PMID: 9727964, DOI: 10.1016/s0165-1781(98)00049-3.Peer-Reviewed Original ResearchNeurocognitive 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
1997
Wisconsin card sorting test dimensions in schizophrenia: Factorial, predictive, and divergent validity
Bell M, Greig T, Kaplan E, Bryson G. Wisconsin card sorting test dimensions in schizophrenia: Factorial, predictive, and divergent validity. Journal Of Clinical And Experimental Neuropsychology 1997, 19: 933-941. PMID: 9524888, DOI: 10.1080/01688639708403774.Peer-Reviewed Original ResearchAffect recognition in schizophrenia: a function of global impairment or a specific cognitive deficit
Bryson G, Bell M, Lysaker P. Affect recognition in schizophrenia: a function of global impairment or a specific cognitive deficit. Psychiatry Research 1997, 71: 105-113. PMID: 9255855, DOI: 10.1016/s0165-1781(97)00050-4.Peer-Reviewed Original ResearchConceptsWisconsin Card Sorting TestContinuous performance taskBell Lysaker Emotion Recognition TaskHopkins Verbal Learning TestVerbal Learning TestCognitive variablesLearning TestAffect recognition impairmentsEmotion recognition taskSpecific cognitive deficitsCard Sorting TestDigit Symbol Substitution TestAdult Intelligence ScaleDigit Symbol subtestWAIS-R IQsRecognition impairmentAffect recognitionEmotion recognitionWechsler memoryPerseverative errorsSorting TestPerformance taskIntelligence ScaleMore errorsRecognition taskCognitive impairment and substance abuse history as predictors of the temporal stability of negative symptoms in schizophrenia.
Lysaker P, Bell M, Bioty S, Zito W. Cognitive impairment and substance abuse history as predictors of the temporal stability of negative symptoms in schizophrenia. The Journal Of Nervous And Mental Disease 1997, 185: 21-6. PMID: 9040529, DOI: 10.1097/00005053-199701000-00004.Peer-Reviewed Original Research
1996
Performance on the Wisconsin Card Sorting Test as a Predictor of Rehospitalization in Schizophrenia
Lysaker P, Bell M, Bioty S, Zito W. Performance on the Wisconsin Card Sorting Test as a Predictor of Rehospitalization in Schizophrenia. The Journal Of Nervous And Mental Disease 1996, 184: 319-320. PMID: 8627280, DOI: 10.1097/00005053-199605000-00010.Peer-Reviewed Original Research
1995
Social Skills at Work
LYSAKER P, BELL M, ZITO W, BIOTY S. Social Skills at Work. The Journal Of Nervous And Mental Disease 1995, 183: 688-692. PMID: 7595430, DOI: 10.1097/00005053-199511000-00003.Peer-Reviewed Original ResearchConceptsCognitive impairmentNegative symptomsWeeks of rehabilitationSupportive group treatmentVocational rehabilitation programRehabilitation programNeuropsychological testingSymptom levelsGroup treatmentPatientsMultiple regression analysisRegression analysisSymptomsSchizophreniaImpairmentDeficitsSubjectsRehabilitationPoor social skillsSocial deficitsSocial skillsHigh levelsLevelsIntakeWeeksCognitive 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 studiesWork Rehabilitation and Improvements in Insight in Schizophrenia
LYSAKER P, BELL M. Work Rehabilitation and Improvements in Insight in Schizophrenia. The Journal Of Nervous And Mental Disease 1995, 183: 103-106. PMID: 7844571, DOI: 10.1097/00005053-199502000-00007.Peer-Reviewed Original ResearchConceptsCognitive impairmentSevere cognitive deficitsImpaired insightPsychosocial variablesCognitive deficitsVocational rehabilitation programInsight ratingMultiple regression analysisNegative symptomsWork rehabilitationPoor treatment complianceForm of treatmentSignificant predictorsVocational rehabilitationGreater levelsImpairmentTreatment complianceStandard treatmentLess improvementRehabilitation programSchizophreniaRegression analysisRehabilitationSubjectsDeficits