2015
Basolateral Amygdala Response to Food Cues in the Absence of Hunger Is Associated with Weight Gain Susceptibility
Sun X, Kroemer NB, Veldhuizen MG, Babbs AE, de Araujo IE, Gitelman DR, Sherwin RS, Sinha R, Small DM. Basolateral Amygdala Response to Food Cues in the Absence of Hunger Is Associated with Weight Gain Susceptibility. Journal Of Neuroscience 2015, 35: 7964-7976. PMID: 25995480, PMCID: PMC4438134, DOI: 10.1523/jneurosci.3884-14.2015.Peer-Reviewed Original ResearchConceptsAbsence of hungerWeight changeBasolateral amygdalaLong-term weight changeLong-term weight gainWeight gain susceptibilityGustatory inputD2 receptor densityA1 allele carriersAmygdala responseSated subjectsGhrelin levelsInitial BMILateral hypothalamusHuman hypothalamusAllele carriersReceptor densityAmygdala pathwayHealthy individualsElicit eatingDopamine signalingConfer susceptibilityWeight gainDynamic causal modelingNonhomeostatic eating
2013
Neural 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
2012
Food and drug cues activate similar brain regions: A meta-analysis of functional MRI studies
Tang D, Fellows L, Small D, Dagher A. Food and drug cues activate similar brain regions: A meta-analysis of functional MRI studies. Physiology & Behavior 2012, 106: 317-324. PMID: 22450260, DOI: 10.1016/j.physbeh.2012.03.009.Peer-Reviewed Original ResearchConceptsSmoking cuesOrbital frontal cortexNeutral cuesFood cuesVisual foodBlood oxygen level-dependent (BOLD) responseBrain regionsSimilar brain regionsBilateral orbital frontal cortexActivation likelihood estimationFrontal cortexFunctional MRI studyLevel-dependent responsesBrain imaging studiesNeuro-imaging studiesDrug cuesImaging studiesInsula activationSubjective cravingConditioned cuesIncentive salienceBrain responsesBilateral insulaBrain networksLeft amygdala
2011
The Anterior Insular Cortex Represents Breaches of Taste Identity Expectation
Veldhuizen MG, Douglas D, Aschenbrenner K, Gitelman DR, Small DM. The Anterior Insular Cortex Represents Breaches of Taste Identity Expectation. Journal Of Neuroscience 2011, 31: 14735-14744. PMID: 21994389, PMCID: PMC3221736, DOI: 10.1523/jneurosci.1502-11.2011.Peer-Reviewed Original ResearchYouth at Risk for Obesity Show Greater Activation of Striatal and Somatosensory Regions to Food
Stice E, Yokum S, Burger KS, Epstein LH, Small DM. Youth at Risk for Obesity Show Greater Activation of Striatal and Somatosensory Regions to Food. Journal Of Neuroscience 2011, 31: 4360-4366. PMID: 21430137, PMCID: PMC3260083, DOI: 10.1523/jneurosci.6604-10.2011.Peer-Reviewed Original ResearchConceptsNormal weight humansObese humansStriatal responsesFood intakeOrbitofrontal cortexDopamine signalingWeight gainInitial vulnerability factorsGenetic riskStriatal D2 receptorsMonetary rewardsNormal-weight adolescentsPalatable food intakeD2 receptor densityD2 receptorsHigh-risk youthParietal operculumReceptor densitySomatosensory regionsPalatable foodFoods contributesFrontal operculumReward circuitryReduced dopamineObesity
2009
Individual differences in the neurophysiology of reward and the obesity epidemic
Small DM. Individual differences in the neurophysiology of reward and the obesity epidemic. International Journal Of Obesity 2009, 33: s44-s48. PMID: 19528979, PMCID: PMC2788336, DOI: 10.1038/ijo.2009.71.Peer-Reviewed Original Research
2008
Relation of Reward From Food Intake and Anticipated Food Intake to Obesity: A Functional Magnetic Resonance Imaging Study
Stice E, Spoor S, Bohon C, Veldhuizen MG, Small DM. Relation of Reward From Food Intake and Anticipated Food Intake to Obesity: A Functional Magnetic Resonance Imaging Study. Journal Of Psychopathology And Clinical Science 2008, 117: 924-935. PMID: 19025237, PMCID: PMC2681092, DOI: 10.1037/a0013600.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingAdolescent girlsGreater activationFunctional magnetic resonance imaging studySomatosensory regionsRelation of rewardGustatory cortexDopamine receptor availabilityMagnetic resonance imaging studyResonance imaging studyChocolate milkshakeTasteless solutionConsequent weight gainFood intakeBrain regionsGreater rewardsHedonic aspectsDecreased activationWeak activationRewardReceptor availabilityMilkshakeGirlsImaging studiesMagnetic resonance imagingRelation Between Obesity and Blunted Striatal Response to Food Is Moderated by TaqIA A1 Allele
Stice E, Spoor S, Bohon C, Small DM. Relation Between Obesity and Blunted Striatal Response to Food Is Moderated by TaqIA A1 Allele. Science 2008, 322: 449-452. PMID: 18927395, PMCID: PMC2681095, DOI: 10.1126/science.1161550.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAllelesBasal GangliaBody Mass IndexCaudate NucleusCorpus StriatumCuesDeoxyribonucleases, Type II Site-SpecificDopamineEatingFemaleFoodHumansHyperphagiaMagnetic Resonance ImagingObesityPolymorphism, Restriction Fragment LengthPutamenReceptors, Dopamine D2Regression AnalysisRewardSignal TransductionWeight GainConceptsDorsal striatumTaqIA restriction fragment length polymorphismConsummatory food rewardMagnetic resonance imaging studyStriatal dopamine receptorsDevelopment of obesityA1 alleleResonance imaging studyFunctional magnetic resonance imaging studyDopamine D2 receptor geneTaqIA A1 alleleObese individualsStriatal dopamineD2 receptor geneProspective dataLean individualsDopamine receptorsFood intakeStriatumImaging studiesStriatal responsesStriatal activationGenetic polymorphismsReceptor geneObesity
2004
Crossmodal integration – insights from the chemical senses
Small D. Crossmodal integration – insights from the chemical senses. Trends In Neurosciences 2004, 27: 120-123. PMID: 15046082, DOI: 10.1016/j.tins.2004.01.002.Peer-Reviewed Original ResearchConceptsSuperior temporal sulcusStudy of auditionMultisensory integrationNeural correlatesTemporal sulcusVisual cuesOrbitofrontal cortexAssociation cortexHuman brainCrossmodalChemical sensesCortexAuditionCuesCongruencySomatosensationSulcusSensesCorrelatesOdor detectionFacilitationUnderstandingNew studiesBrain
2002
Toward an Understanding of the Brain Substrates of Reward in Humans
Small DM. Toward an Understanding of the Brain Substrates of Reward in Humans. Neuron 2002, 33: 668-671. PMID: 11879644, DOI: 10.1016/s0896-6273(02)00620-7.Peer-Reviewed Original Research