2012
Multiple resting state network functional connectivity abnormalities in mild traumatic brain injury
Stevens MC, Lovejoy D, Kim J, Oakes H, Kureshi I, Witt ST. Multiple resting state network functional connectivity abnormalities in mild traumatic brain injury. Brain Imaging And Behavior 2012, 6: 293-318. PMID: 22555821, DOI: 10.1007/s11682-012-9157-4.Peer-Reviewed Original ResearchConceptsTraumatic brain injuryMild traumatic brain injuryMild TBI patientsFunctional connectivity abnormalitiesTBI patientsBrain injuryConnectivity abnormalitiesFunctional connectivitySevere traumatic brain injuryWhite matter microstructural damagePostconcussive symptom severityWhole-brain functional connectivityFunctional connectivity deficitsCompensatory neural processesBrain networksBrain functional connectivityHealthy control participantsVoxelwise group comparisonsIntracerebral injuryNeurobiological sequelaeConnectivity deficitsAnterior cingulateBrain regionsSymptom severityAnatomical connectivity
2010
Decreased prefrontal cortex activity in mild traumatic brain injury during performance of an auditory oddball task
Witt ST, Lovejoy DW, Pearlson GD, Stevens MC. Decreased prefrontal cortex activity in mild traumatic brain injury during performance of an auditory oddball task. Brain Imaging And Behavior 2010, 4: 232-247. PMID: 20703959, DOI: 10.1007/s11682-010-9102-3.Peer-Reviewed Original ResearchConceptsMild TBI patientsMild traumatic brain injuryTraumatic brain injuryBrain activityRight dorsolateral prefrontal cortexActive information maintenanceCompensatory brain activityDefault mode network dysfunctionPrefrontal cortex activityAuditory oddball taskDorsolateral prefrontal cortexTBI patientsPersistent cognitive deficitsBrain injurySimilar topographical patternEffortful formsExecutive tasksExecutive abilitiesOddball taskTask performanceMental effortNovel stimuliStimulus detectionCortex activityPrefrontal cortex