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 cortex