2014
Amodal brain activation and functional connectivity in response to high‐energy‐density food cues in obesity
Carnell S, Benson L, Pantazatos SP, Hirsch J, Geliebter A. Amodal brain activation and functional connectivity in response to high‐energy‐density food cues in obesity. Obesity 2014, 22: 2370-2378. PMID: 25098957, PMCID: PMC4224976, DOI: 10.1002/oby.20859.Peer-Reviewed Original ResearchConceptsFunctional connectivityObese individualsFood cuesEffect of obesityLow-ED foodsWhole-brain activationGreater functional connectivityLean womenDifferential neural responsesObesogenic environmentMidbrainExcessive foodVTABrain activationNeural responsesObeseFMRI scanningObesityPutamenCerebellumActivationResponseCue modalityIndividualsWomen
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
2012
Sleep restriction leads to increased activation of brain regions sensitive to food stimuli
St-Onge MP, McReynolds A, Trivedi ZB, Roberts AL, Sy M, Hirsch J. Sleep restriction leads to increased activation of brain regions sensitive to food stimuli. American Journal Of Clinical Nutrition 2012, 95: 818-824. PMID: 22357722, PMCID: PMC3302360, DOI: 10.3945/ajcn.111.027383.Peer-Reviewed Original ResearchConceptsFood stimuliNeuronal activityHabitual sleepSleep restrictionNormal-weight menOverall neuronal activityAverage sleep durationFunctional magnetic resonance imagingMagnetic resonance imagingPartial sleep restrictionCrossover studyEpidemiologic evidenceClinical studiesNeuronal activationNucleus accumbensSleep durationFasted stateResonance imagingBrain regionsDay 6Prefrontal cortexSleepBrain activityRelative increaseStimuli
2008
Leptin reverses weight loss–induced changes in regional neural activity responses to visual food stimuli
Rosenbaum M, Sy M, Pavlovich K, Leibel RL, Hirsch J. Leptin reverses weight loss–induced changes in regional neural activity responses to visual food stimuli. Journal Of Clinical Investigation 2008, 118: 2583-2591. PMID: 18568078, PMCID: PMC2430499, DOI: 10.1172/jci35055.Peer-Reviewed Original ResearchConceptsMiddle frontal gyrusNeural activityFood cuesFrontal gyrusFood-related visual cuesWeight lossFood intakeWeight loss-induced changesVisual food cuesVisual food stimuliMiddle temporal gyrusRelative leptin deficiencyWeight-reduced stateDaily subcutaneous injectionsBody weight maintenanceCognitive controlFood stimuliTemporal gyrusVisual cuesLeptin deficiencyObese subjectsWeight maintenanceLingual gyrusClinical managementFunctional MRI
2005
Responsivity to food stimuli in obese and lean binge eaters using functional MRI
Geliebter A, Ladell T, Logan M, Schweider T, Sharafi M, Hirsch J. Responsivity to food stimuli in obese and lean binge eaters using functional MRI. Appetite 2005, 46: 31-35. PMID: 16364498, DOI: 10.1016/j.appet.2005.09.002.Peer-Reviewed Original ResearchConceptsObese binge eatersBinge eatersAuditory stimuliFood stimuliNon-food stimuliRandom effects group analysisVentral premotor cortexRight premotor areaNon-binge eatersBinge foodsRight-handed womanFMRI scannerConcurrent motorFunctional neuroimagingFunctional MRIPremotor cortexPremotor areasBrain areasStimuliMotor behaviorEatersType foodsIndividual subjectsGroup analysisBinge