2014
Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity
Jastreboff AM, Lacadie C, Seo D, Kubat J, Van Name MA, Giannini C, Savoye M, Constable RT, Sherwin RS, Caprio S, Sinha R. Leptin Is Associated With Exaggerated Brain Reward and Emotion Responses to Food Images in Adolescent Obesity. Diabetes Care 2014, 37: 3061-3068. PMID: 25139883, PMCID: PMC4207200, DOI: 10.2337/dc14-0525.Peer-Reviewed Original ResearchConceptsLow-calorie foodsBrain responsesFood imagesEmotion processingEmotion responsesAdolescent brainNeural responsesNeural activationHigh-calorie food consumptionFood cravingsNeural alterationsBrain rewardFunctional MRIAdolescent obesityRisk of overconsumptionAdolescentsObesity-related metabolic changesEndogenous leptin levelsFood advertisingMetabolic changesYouthDevelopment of obesityType 2 diabetesLean adolescentsNation's youthBlunted striatal responses to favorite-food cues in smokers
Jastreboff AM, Sinha R, Lacadie CM, Balodis IM, Sherwin R, Potenza MN. Blunted striatal responses to favorite-food cues in smokers. Drug And Alcohol Dependence 2014, 146: 103-106. PMID: 25444233, PMCID: PMC4272899, DOI: 10.1016/j.drugalcdep.2014.09.006.Peer-Reviewed Original ResearchConceptsFavorite-food cuesNeural responsesNeutral-relaxing conditionsBody mass indexCue exposureBrain mechanismsRewarding stimuliBrain responsesStriatal responsesCuesDiminished activationLower body mass indexLean body massSmoking cessationMass indexSmoking statusFMRIInsulaSmokersWeight gainStimuliRatingsAudiotapesCaudateBody mass
2013
Stress as a Common Risk Factor for Obesity and Addiction
Sinha R, Jastreboff AM. Stress as a Common Risk Factor for Obesity and Addiction. Biological Psychiatry 2013, 73: 827-835. PMID: 23541000, PMCID: PMC3658316, DOI: 10.1016/j.biopsych.2013.01.032.BooksConceptsNeurobiology of stressHP foodsIncentive salienceFood motivationIntegrative heuristic modelFood-related motivationDevelopment of addictionBiology of stressNeural mechanismsNeurobiological mechanismsAddiction relapsePalatable foodAddictive drugsAllostatic loadMotivationRisk factorsSalienceHigh levelsNeurobiologyHeuristic modelEnergy homeostasisWeight gainAddictionFuture directionsDopaminergic activityNeural Correlates of Stress- and Food Cue–Induced Food Craving in Obesity Association with insulin levels
Jastreboff AM, Sinha R, Lacadie C, Small DM, Sherwin RS, Potenza MN. Neural Correlates of Stress- and Food Cue–Induced Food Craving in Obesity Association with insulin levels. Diabetes Care 2013, 36: 394-402. PMID: 23069840, PMCID: PMC3554293, DOI: 10.2337/dc12-1112.Peer-Reviewed Original ResearchConceptsFood cuesFood cravingsStress cuesBrain responsesSubjective food cravingsFavorite-food cuesBrain regionsInsulin levelsNeural correlatesBrain activationHOMA-IRObese individualsInsulin sensitivityFood motivationNeural activityFunctional MRICuesCravingHOMA-IR levelsNeurocircuitryLean subjectsInsulin resistanceLean individualsObesity associationHypothalamic regions