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
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
2010
Energy intake in weight-reduced humans
Rosenbaum M, Kissileff HR, Mayer LE, Hirsch J, Leibel RL. Energy intake in weight-reduced humans. Brain Research 2010, 1350: 95-102. PMID: 20595050, PMCID: PMC2926239, DOI: 10.1016/j.brainres.2010.05.062.Peer-Reviewed Original ResearchConceptsEnergy intakeWeight lossSustained weight lossSuccessful weight reductionAdipocyte-derived hormoneBody weight maintenanceEnergy expenditureBody composition changesBody energy storesWeight maintenanceBody fatnessBody weightNeuronal signalingIntakeWeight reductionBasis of weightEnergy storesMultiple changesLeptinWeightHormoneResponse