2014
Does Brain Volume Loss Predict Cognitive and Narrative Discourse Performance Following Traumatic Brain Injury?
Lê K, Coelho C, Mozeiko J, Krueger F, Grafman J. Does Brain Volume Loss Predict Cognitive and Narrative Discourse Performance Following Traumatic Brain Injury? American Journal Of Speech-Language Pathology 2014, 23: s271-s284. PMID: 24686463, DOI: 10.1044/2014_ajslp-13-0095.Peer-Reviewed Original ResearchConceptsNarrative discourse measuresDiscourse measuresCognitive measuresBrain volume lossDiscourse outcomesSmall-to-moderate correlationsDiscourse production taskNarrative discourse abilitiesMeasures of brain damageGeneral cognitive statusHemispheric volume lossTraumatic brain injuryWorking memoryDiscourse abilitiesExecutive functionDiscourse performanceImmediate memoryVolume lossBrain regionsProduction taskLesion metricsCognitive statusBrain damageBrain injuryAtrophy measures
2013
Characterizing Discourse Deficits Following Penetrating Head Injury: A Preliminary Model
Coelho C, Lê K, Mozeiko J, Hamilton M, Tyler E, Krueger F, Grafman J. Characterizing Discourse Deficits Following Penetrating Head Injury: A Preliminary Model. American Journal Of Speech-Language Pathology 2013, 22: s438-s448. PMID: 23695915, PMCID: PMC7684633, DOI: 10.1044/1058-0360(2013/12-0076).Peer-Reviewed Original ResearchConceptsNon-brain-injuredClosed head injuryDiscourse productionDiscourse performanceNon-brain-injured groupAdequate-to-good fitMeasures of memoryPenetrating head injuryStructural equation modeling proceduresGroups of participantsTraumatic brain injuryDiscourse deficitsDiscourse measuresExecutive functionNarrative lengthCommunication deficitsMacrostructural componentsHead injuryStory grammarBrain-injuredStory narrativesBrain injuryGroup of individualsDeficitsDiscourse data
2012
Discourse production following injury to the dorsolateral prefrontal cortex
Coelho C, Lê K, Mozeiko J, Krueger F, Grafman J. Discourse production following injury to the dorsolateral prefrontal cortex. Neuropsychologia 2012, 50: 3564-3572. PMID: 22982512, DOI: 10.1016/j.neuropsychologia.2012.09.005.Peer-Reviewed Original ResearchConceptsDorsolateral prefrontal cortexPrefrontal cortexDorsolateral prefrontal cortex lesionsMeasures of working memoryComparison groupYears post-onsetDLPFC groupNon-injured comparison groupLanguage of individualsDiscourse analysis procedurePFC lesionsLanguage impairmentDiscourse impairmentDiscourse abilitiesDiscourse performanceDiscourse productionNarrative coherenceRight (RComplex languageCortexImpairmentDiscourse analysisDiscourseIndividualsAphasiaPredicting Story Goodness Performance From Cognitive Measures Following Traumatic Brain Injury
Lê K, Coelho C, Mozeiko J, Krueger F, Grafman J. Predicting Story Goodness Performance From Cognitive Measures Following Traumatic Brain Injury. American Journal Of Speech-Language Pathology 2012, 21: s115-s125. PMID: 22294408, DOI: 10.1044/1058-0360(2012/11-0114).Peer-Reviewed Original ResearchConceptsTraumatic brain injuryExecutive functionSorting TestMemory measuresCognitive measuresWechsler Memory Scale-Third EditionThird EditionSets of regression analysesPredictor of performanceDiscourse measuresWMS-IIICognitive substratesCognitive variablesStory retellingCognitive indicesCognitive tasksPrediction of performanceUnderlying skillsPrimary indexBrain injuryStorytelling abilityRegression analysisMemorySignificant predictorsWechsler