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
2004
Test–retest stability of neuropsychological testing and individual differences in variability in schizophrenia outpatients
Greig T, Nicholls SS, Wexler BE, Bell MD. Test–retest stability of neuropsychological testing and individual differences in variability in schizophrenia outpatients. Psychiatry Research 2004, 129: 241-247. PMID: 15661317, DOI: 10.1016/j.psychres.2004.09.006.Peer-Reviewed Original ResearchConceptsNeurocognitive functionImpact of treatmentTest-retest variabilityClinical trialsNeuropsychological testingStable outpatientsSchizoaffective disorderMeasures of psychopathologyTest-retest changesMost subjectsSchizophrenia outpatientsBaseline measuresNeuropsychological testsSchizophrenia researchTest-retest stabilityOutpatientsReliable instrumentSignificant changesTreatmentSubject variancePractice effectsSubjectsPatientsNeuropathologyThe Penn Conditional Exclusion Test (PCET): relationship to the Wisconsin Card Sorting Test and work function in patients with schizophrenia
Kurtz MM, Wexler BE, Bell MD. The Penn Conditional Exclusion Test (PCET): relationship to the Wisconsin Card Sorting Test and work function in patients with schizophrenia. Schizophrenia Research 2004, 68: 95-102. PMID: 15037343, DOI: 10.1016/s0920-9964(03)00179-8.Peer-Reviewed Original ResearchMeSH KeywordsAdultCognition DisordersFemaleHumansMaleMental DisordersMiddle AgedNeuropsychological TestsPsychological TestsReproducibility of ResultsSchizophreniaWorkplaceConceptsPenn Conditional Exclusion TestWisconsin Card Sorting TestWork Behavior InventoryCard Sorting TestExecutive functionSorting TestDivergent validityExecutive function measuresNew computerized measureStandard neuropsychological measuresMeasures of cooperativenessCriterion-related validityVerbal learningNeuropsychological measuresVisual sequencingComputerized measuresPsychomotor speedVocational settingsBehavior InventoryVocational functionAnalogous measuresSpecific dimensionsWork skillsTotal errorWork quality
1997
An fMRI study of the human cortical motor system response to increasing functional demands
Wexler B, Fulbright R, Lacadie C, Skudlarski P, Kelz M, Constable R, Gore J. An fMRI study of the human cortical motor system response to increasing functional demands. Magnetic Resonance Imaging 1997, 15: 385-396. PMID: 9223039, DOI: 10.1016/s0730-725x(96)00232-9.Peer-Reviewed Original ResearchMeSH KeywordsAdultFemaleFingersHumansMagnetic Resonance ImagingMaleMotor CortexMovementParietal LobeReproducibility of ResultsConceptsMotor-sensory areasSupplementary motor areaFunctional magnetic resonance imagingPremotor areasMotor areaMultiple motor areasComplexity of movementCortical motor systemRight-hand finger movementsIndex finger movementsFinger movementsMagnetic resonance imagingInferior parietal areasConsistent lateralizationResonance imagingBrain regionsActivation changesMotor system responsesParietal areasHand finger movementsPreliminary reproducibility studyFMRI studySignificant main effectWeek periodGreater increase