2011
Increased neuronal activity in response to food stimuli after periods of reduced sleep relative to habitual sleep in normal weight men and women
McReynolds A, Roberts A, Sy M, Hirsch J, St‐Onge M. Increased neuronal activity in response to food stimuli after periods of reduced sleep relative to habitual sleep in normal weight men and women. The FASEB Journal 2011, 25: 328.2-328.2. DOI: 10.1096/fasebj.25.1_supplement.328.2.Peer-Reviewed Original ResearchFood stimuliHabitual sleepCognitive control mechanismsNormal-weight menNon-food stimuliFunctional magnetic resonanceSleep durationSuperior frontal gyrusShort sleep conditionShort sleepImages of foodAnterior cingulate gyrusWeight menFrontal gyrusReward salienceBrain activityShort sleep durationSleep conditionsPrevalence of obesityCingulate gyrusReduced sleepStimuliH sleepSleepGyrus
2007
Separate 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