2013
Sleep restriction increases the neuronal response to unhealthy food in normal-weight individuals
St-Onge M, Wolfe S, Sy M, Shechter A, Hirsch J. Sleep restriction increases the neuronal response to unhealthy food in normal-weight individuals. International Journal Of Obesity 2013, 38: 411-416. PMID: 23779051, PMCID: PMC3883872, DOI: 10.1038/ijo.2013.114.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingFood stimuliRight insulaUnhealthy foodsUnhealthy food stimuliNormal-weight individualsMiddle temporal gyrusLevel-dependent activityInferior parietal lobuleSuperior frontal gyrusInsula activityFrontal gyrusGreater activationNeural mechanismsTemporal gyrusParietal lobuleFood intakeOrbitofrontal cortexRestricted sleepSame stimuliNeuronal responsesSleep restrictionNeural systemsBrain rewardShort sleep duration
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
2005
The 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 performance