2015
Greater anterior cingulate activation and connectivity in response to visual and auditory high-calorie food cues in binge eating: Preliminary findings
Geliebter A, Benson L, Pantazatos SP, Hirsch J, Carnell S. Greater anterior cingulate activation and connectivity in response to visual and auditory high-calorie food cues in binge eating: Preliminary findings. Appetite 2015, 96: 195-202. PMID: 26275334, PMCID: PMC4684801, DOI: 10.1016/j.appet.2015.08.009.Peer-Reviewed Original ResearchConceptsDorsal anterior cingulate cortexHigh-calorie food cuesNon-BE groupFood cuesNeural responsesPsychophysiologic interactionsOrbitofrontal cortexFunctional connectivityGreater functional connectivityRegional brain activationAnterior cingulate activationHigh energy density foodsAnterior cingulate cortexLow-ED foodsAuditory cuesFMRI scanningActivation differencesBrain activationCingulate activationMore activationSupramarginal gyrusNeuroimaging studiesBE groupObese individualsCingulate cortex
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
Effects of Reduced Weight Maintenance and Leptin Repletion on Functional Connectivity of the Hypothalamus in Obese Humans
Hinkle W, Cordell M, Leibel R, Rosenbaum M, Hirsch J. Effects of Reduced Weight Maintenance and Leptin Repletion on Functional Connectivity of the Hypothalamus in Obese Humans. PLOS ONE 2013, 8: e59114. PMID: 23555620, PMCID: PMC3605420, DOI: 10.1371/journal.pone.0059114.Peer-Reviewed Original ResearchConceptsLeptin repletionRight hypothalamusFunctional connectivityFood cuesWeight lossGreater weight lossOrbital frontal cortexDorsal anterior cingulatePsychophysiological interaction analysisPlacebo injectionsObese subjectsObese populationLeptin injectionObese humansWeight maintenanceFrontal cortexAnterior cingulateHypothalamusFrontal poleInteroceptive systemPatient subjectsVisual areasDorsal ACCFood stimuliRepletion
2012
Relation between changes in neural responsivity and reductions in desire to eat high-calorie foods following gastric bypass surgery
Ochner C, Stice E, Hutchins E, Afifi L, Geliebter A, Hirsch J, Teixeira J. Relation between changes in neural responsivity and reductions in desire to eat high-calorie foods following gastric bypass surgery. Neuroscience 2012, 209: 128-135. PMID: 22406414, PMCID: PMC3601838, DOI: 10.1016/j.neuroscience.2012.02.030.Peer-Reviewed Original ResearchConceptsLow-calorie food cuesGastric bypass surgeryPostoperative reductionPostoperative changesHigh-calorie foodsBypass surgeryNeural responsivityFood cuesSignificant postoperative reductionReward-related neural activationFunctional magnetic resonance imagingMagnetic resonance imagingDopaminergic reward pathwayLow-calorie foodsObesity surgeryLiking of foodNeural changesReward pathwayResonance imagingOne monthSurgeryRating ScaleInhibitory activationNeural activationRYGB
2011
Selective Reduction in Neural Responses to High Calorie Foods Following Gastric Bypass Surgery
Ochner CN, Kwok Y, Conceição E, Pantazatos SP, Puma LM, Carnell S, Teixeira J, Hirsch J, Geliebter A. Selective Reduction in Neural Responses to High Calorie Foods Following Gastric Bypass Surgery. Annals Of Surgery 2011, 253: 502-507. PMID: 21169809, PMCID: PMC3128512, DOI: 10.1097/sla.0b013e318203a289.Peer-Reviewed Original ResearchConceptsRYGB surgeryHigh-calorie foodsPostsurgical reductionFood cuesCaloric intakeLow-calorie food cuesCommon bariatric proceduresPost-RYGB surgeryGastric bypass surgeryBrain activationNeural activationVerbal rating scaleCaloric densityNeural responsesMesolimbic reward pathwayFunctional magnetic resonance imagingMagnetic resonance imagingMechanism of actionMalabsorptive mechanismsBariatric proceduresGastric bypassBypass surgeryFemale patientsGut peptidesPostbariatric surgery
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