2019
Rethinking Food Reward
de Araujo IE, Schatzker M, Small DM. Rethinking Food Reward. Annual Review Of Psychology 2019, 71: 1-26. PMID: 31561741, DOI: 10.1146/annurev-psych-122216-011643.Peer-Reviewed Original ResearchConceptsFood rewardReward regionsHedonic qualityBrain neural pathwaysSubliminal signalsCognitive processesBrain reward regionsConscious perceptionDietary decisionsCortical networksFlavor perceptionCaloric foodNeural pathwaysFood reinforcementRewardUncontrolled desirePerceptionDietary choicesOvereatingRecent animalHuman studiesTraditional modelsSensory receptorsDesireFindingsProcessed foods and food reward
Small DM, DiFeliceantonio AG. Processed foods and food reward. Science 2019, 363: 346-347. PMID: 30679360, DOI: 10.1126/science.aav0556.Peer-Reviewed Original Research
2018
Supra-Additive Effects of Combining Fat and Carbohydrate on Food Reward
DiFeliceantonio AG, Coppin G, Rigoux L, Thanarajah S, Dagher A, Tittgemeyer M, Small DM. Supra-Additive Effects of Combining Fat and Carbohydrate on Food Reward. Cell Metabolism 2018, 28: 33-44.e3. PMID: 29909968, DOI: 10.1016/j.cmet.2018.05.018.Peer-Reviewed Original Research
2016
Fuel not fun: Reinterpreting attenuated brain responses to reward in obesity
Kroemer NB, Small DM. Fuel not fun: Reinterpreting attenuated brain responses to reward in obesity. Physiology & Behavior 2016, 162: 37-45. PMID: 27085908, PMCID: PMC4971522, DOI: 10.1016/j.physbeh.2016.04.020.Peer-Reviewed Original ResearchConceptsFood-related stimuliBrain responsesReward-related learningReward sensitivityReward deficiencyReduced reward sensitivityPrimary food rewardReward receiptMilkshake receiptStriatal responsesReward deficitsFood rewardSubjective valueReinforcement learning frameworkRewardDopamine signalingFood anticipationDorsal striatumAnhedoniaAnticipatoryDopaminergic regionsStimuliConsummatory responsesAlternative viewLearning
2013
Decreased caudate response to milkshake is associated with higher body mass index and greater impulsivity
Babbs RK, Sun X, Felsted J, Chouinard-Decorte F, Veldhuizen MG, Small DM. Decreased caudate response to milkshake is associated with higher body mass index and greater impulsivity. Physiology & Behavior 2013, 121: 103-111. PMID: 23562867, PMCID: PMC3731396, DOI: 10.1016/j.physbeh.2013.03.025.Peer-Reviewed Original ResearchConceptsBody mass indexCaudate responseMass indexCaudate nucleusBrain responsesHigher body mass indexWeight gainHealthy weight subjectsTasteless control solutionEnergy-dense foodsSelf-reported impulsivityWeight subjectsNegative associationVentral putamenDorsal striatumFood rewardDense foodsSignificant associationInverse correlationMilkshakeOverweightGreater impulsivityMeasures of impulsivityGreater responseAssociation
2010
Genetically Determined Differences in Brain Response to a Primary Food Reward
Felsted JA, Ren X, Chouinard-Decorte F, Small DM. Genetically Determined Differences in Brain Response to a Primary Food Reward. Journal Of Neuroscience 2010, 30: 2428-2432. PMID: 20164326, PMCID: PMC2831082, DOI: 10.1523/jneurosci.5483-09.2010.Peer-Reviewed Original ResearchConceptsBrain responsesPrimary food rewardFunctional magnetic resonanceTaqIA A1 alleleOrbital frontal cortexReward driveIndividual differencesNeural responsesFuture weight gainFood rewardPalatable foodNeuroimaging techniquesPerceptual responsesBiological underpinningsIndividual factorsFrontal cortexImpulsivityDiminished dopamineSimilar ratingsFood reinforcementRewardSpecific associationNeurophysiologyMilkshakeBody mass index
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
2007
The Role of the Human Orbitofrontal Cortex in Taste and Flavor Processing
SMALL DM, BENDER G, VELDHUIZEN MG, RUDENGA K, NACHTIGAL D, FELSTED J. The Role of the Human Orbitofrontal Cortex in Taste and Flavor Processing. Annals Of The New York Academy Of Sciences 2007, 1121: 136-151. PMID: 17846155, DOI: 10.1196/annals.1401.002.Peer-Reviewed Original ResearchConceptsHuman orbitofrontal cortexOrbitofrontal cortexSensory inputDistinct sensory inputsMultiple sensory inputsHigher-order gustatory corticesNeural representationFlavor perceptReward valueFlavor processingAffective valueOral somatosensationFood rewardInternal statesPerceptGustatory cortexCortexOrbital cortexRetronasal olfactionProcessingPleasantnessRewardEncodingSomatosensationRepresentation
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