2011
Effects of intensive glucose lowering on brain structure and function in people with type 2 diabetes (ACCORD MIND): a randomised open-label substudy
Launer LJ, Miller ME, Williamson JD, Lazar RM, Gerstein HC, Murray AM, Sullivan M, Horowitz KR, Ding J, Marcovina S, Lovato LC, Lovato J, Margolis KL, O'Connor P, Lipkin EW, Hirsch J, Coker L, Maldjian J, Sunshine JL, Truwit C, Davatzikos C, Bryan RN, investigators F. Effects of intensive glucose lowering on brain structure and function in people with type 2 diabetes (ACCORD MIND): a randomised open-label substudy. The Lancet Neurology 2011, 10: 969-977. PMID: 21958949, PMCID: PMC3333485, DOI: 10.1016/s1474-4422(11)70188-0.Peer-Reviewed Original ResearchConceptsTotal brain volumeType 2 diabetesIntensive treatment groupIntensive treatmentStandard treatmentGlycaemic controlDSST scoresTreatment groupsBrain volumeDigit Symbol Substitution Test scoreHigher glycated hemoglobinIntensive glycaemic controlOpen-label substudyStandard glycaemic controlStandard treatment groupUS National HeartMonth outcome measuresSubset of participantsSignificant treatment differencesACCORD studyCardiovascular eventsCardiovascular riskIntensive glucoseBrain atrophyIntensive therapy
2010
A network approach to assessing cognition in disorders of consciousness(e–Pub ahead of print)(CME)
Rodriguez Moreno D, Schiff N, Giacino J, Kalmar K, Hirsch J. A network approach to assessing cognition in disorders of consciousness(e–Pub ahead of print)(CME). Neurology 2010, 75: 1871-1878. PMID: 20980667, PMCID: PMC2995384, DOI: 10.1212/wnl.0b013e3181feb259.Peer-Reviewed Original ResearchMeSH KeywordsAdultAwarenessBrainCognitionConsciousness DisordersFemaleGlasgow Coma ScaleHumansMagnetic Resonance ImagingMaleMiddle AgedNerve NetNeuropsychological TestsPattern Recognition, VisualPersistent Vegetative StatePoint-of-Care SystemsQuadriplegiaSensitivity and SpecificityVerbal BehaviorYoung AdultConceptsDisorders of consciousnessVegetative stateComa Recovery ScaleHigh-level cognitionObject-naming taskPicture-naming taskLanguage-related regionsElicit brain activationEMCS patientsVS patientsHealthy subjectsDiagnostic criteriaPatientsVolitional processesRecovery ScaleBrain activationLanguage networkFMRI studyMotor responseOvert behaviorConscious stateNeural systemsBehavioral assessmentCognitionPartial preservation
2008
A neurology of belief
Sacks O, Hirsch J. A neurology of belief. Annals Of Neurology 2008, 63: 129-130. PMID: 18306392, DOI: 10.1002/ana.21378.Peer-Reviewed Original Research
2007
Preparatory neural activity predicts performance on a conflict task
Stern ER, Wager TD, Egner T, Hirsch J, Mangels JA. Preparatory neural activity predicts performance on a conflict task. Brain Research 2007, 1176: 92-102. PMID: 17889835, PMCID: PMC2288660, DOI: 10.1016/j.brainres.2007.07.060.Peer-Reviewed Original ResearchConceptsPreparatory neural activityBilateral parietal cortexPreparatory activationNeutral cuesNeural activityParietal cortexRight dorsolateral prefrontal cortexReaction timeSpatial Stroop taskTask-relevant informationConflict resolutionDorsolateral prefrontal cortexTask-specific networksEfficient conflict resolutionConflict stimuliAdvance cuesCueing effectsStroop taskConflict taskAdvance cueingInformative cuesAnterior prefrontalLittle empirical workSemantic cuesPrefrontal cortexSeparate conflict-specific cognitive control mechanisms in the human brain
Egner T, Delano M, Hirsch J. Separate conflict-specific cognitive control mechanisms in the human brain. NeuroImage 2007, 35: 940-948. PMID: 17276088, DOI: 10.1016/j.neuroimage.2006.11.061.Peer-Reviewed Original ResearchConceptsIrrelevant stimulus featuresCognitive controlStimulus featuresModulation of activityColor-naming Stroop taskCognitive control mechanismsCognitive control systemOptimal task performanceHuman brainLevel-dependent responsesContext-sensitive mannerStroop taskResolution of stimuliStimulus representationsTask performanceParietal cortexMotor programmingPremotor cortexInformation processingControl resourcesConflict resolutionSource of conflictResolution strategiesStimuliCentral resource
2005
Cognitive control mechanisms resolve conflict through cortical amplification of task-relevant information
Egner T, Hirsch J. Cognitive control mechanisms resolve conflict through cortical amplification of task-relevant information. Nature Neuroscience 2005, 8: 1784-1790. PMID: 16286928, DOI: 10.1038/nn1594.Peer-Reviewed Original ResearchMeSH KeywordsAdultAttentionBehaviorBrain MappingCerebral CortexCerebrovascular CirculationCognitionConflict, PsychologicalDecision MakingFemaleFunctional LateralityHumansMagnetic Resonance ImagingMaleNerve NetNeural PathwaysNeuropsychological TestsPattern Recognition, VisualPhotic StimulationPrefrontal CortexReaction TimeVisual CortexVolitionConceptsTask-relevant informationCognitive control mechanismsTask-irrelevant informationCognitive controlTask-relevant stimulus informationCognitive control systemConflict resolutionDorsolateral prefrontal cortexHuman visual cortexAttentional biasingFace processingPerceptual processingFace stimuliStroop taskNeural representationStimulus informationResponse tendenciesOccurrence of conflictsHigh conflictPrefrontal cortexProminent modelsCortical responsesTrial levelCortical amplificationVisual cortexDiscordance between functional magnetic resonance imaging during silent speech tasks and intraoperative speech arrest.
Petrovich N, Holodny AI, Tabar V, Correa DD, Hirsch J, Gutin PH, Brennan CW. Discordance between functional magnetic resonance imaging during silent speech tasks and intraoperative speech arrest. Journal Of Neurosurgery 2005, 103: 267-74. PMID: 16175856, DOI: 10.3171/jns.2005.103.2.0267.Peer-Reviewed Original ResearchConceptsInferior frontal gyrusSpeech taskPrecentral gyrusFMR imaging activationFunctional magnetic resonanceSpeech arrestFMR imaging studiesFMR imagingBehavioral resultsAwake cortical mappingFrontal gyrusLanguage functionHemispheric dominanceNeurosurgical planningMotor stripIntraoperative indicatorAwake craniotomyCortical mappingIntraoperative mappingHealthy volunteersImaging activityControl studyPredominant activationImaging studiesGyrusThe neural correlates and functional integration of cognitive control in a Stroop task
Egner T, Hirsch J. The neural correlates and functional integration of cognitive control in a Stroop task. NeuroImage 2005, 24: 539-547. PMID: 15627596, DOI: 10.1016/j.neuroimage.2004.09.007.Peer-Reviewed Original ResearchConceptsCognitive controlConflict adaptationPsychophysiological interaction analysisStroop taskNeural correlatesFrontal gyrusPrefrontal cortexDistinct fronto-parietal networksEvent-related fMRI dataLow-conflict trialsHigh-conflict trialsFronto-parietal networkLateral prefrontal cortexMiddle frontal gyrusBilateral inferior frontalSuperior frontal gyrusContext-specific modulationInterference taskResponse conflictCognitive tasksConflict effectMotor processesInferior frontalNeural substratesTask performanceFunctional neuroimaging during altered states of consciousness: how and what do we measure?
Hirsch J. Functional neuroimaging during altered states of consciousness: how and what do we measure? Progress In Brain Research 2005, 150: 25-590. PMID: 16186013, DOI: 10.1016/s0079-6123(05)50003-7.Peer-Reviewed Original ResearchMeSH KeywordsAttentionBrainCognitionConsciousnessDiagnostic ImagingHumansLanguageMagnetic Resonance ImagingConceptsCognitive processesFunctional neuroimagingDisorders of consciousnessPassive stimulationLanguage-related tasksFunctional magnetic resonanceSpecific traumatic eventStudy of consciousnessFunctional brain activityAltered statesAffective systemsCognitive systemNeural processesTraumatic eventsNeurocognitive healthBrain activitySensory-motor functionParadigm selectionMotor systemVolitional tasksCortical functionExperimental manipulationTaskBrain injuryTemporal sequence
2003
Shared and separate systems in bilingual language processing: Converging evidence from eyetracking and brain imaging
Marian V, Spivey M, Hirsch J. Shared and separate systems in bilingual language processing: Converging evidence from eyetracking and brain imaging. Brain And Language 2003, 86: 70-82. PMID: 12821416, DOI: 10.1016/s0093-934x(02)00535-7.Peer-Reviewed Original ResearchConceptsBilingual language processingLanguage processingLeft inferior frontal gyrusRussian-English bilingualsSecond language processingInferior frontal gyrusFunctional neuroimaging studiesLevel of processingSuperior temporal gyrusLinguistic inputWord recognitionCognitive aspectsFrontal gyrusFunctional neuroimagingNeuroimaging studiesLanguageTemporal gyrusEyetracking studyBilingualsBrain imagingCortical structuresParallel activationEyetrackingGyrusProcessing
2001
Interconnected Large-Scale Systems for Three Fundamental Cognitive Tasks Revealed by Functional MRI
Hirsch J, Moreno D, Kim K. Interconnected Large-Scale Systems for Three Fundamental Cognitive Tasks Revealed by Functional MRI. Journal Of Cognitive Neuroscience 2001, 13: 389-405. PMID: 11371315, DOI: 10.1162/08989290151137421.Peer-Reviewed Original ResearchConceptsInferior frontal gyrusMedial frontal gyrusFunctional magnetic resonance imagingRight precentral gyrusFrontal gyrusInferior parietal lobuleNeurocognitive systemsBA 6Brain areasPrecentral gyrusParietal lobuleArea 45Left inferior frontal gyrusWhole-brain functional magnetic resonance imagingBA 40Fundamental cognitive tasksRight inferior parietal lobuleCortical regionsSame-different discriminationLeft medial frontal gyrusMultiple sensory modalitiesBrodmann area 45Superior temporal gyrusMiddle frontal gyrusPrimary sensory processes