2014
The neural signature of satiation is associated with ghrelin response and triglyceride metabolism
Sun X, Veldhuizen MG, Wray AE, de Araujo IE, Sherwin RS, Sinha R, Small DM. The neural signature of satiation is associated with ghrelin response and triglyceride metabolism. Physiology & Behavior 2014, 136: 63-73. PMID: 24732416, PMCID: PMC4195817, DOI: 10.1016/j.physbeh.2014.04.017.Peer-Reviewed Original ResearchConceptsPalatable foodMeal terminationBrain responsesAd libitum mealPost-prandial reductionMedial orbitofrontal cortexDorsolateral prefrontal cortexGhrelin responseAcute changesFree fatty acidsPeripheral signalsTriglyceride metabolismBrain regionsBrain circuitsOrbitofrontal cortexPrefrontal cortexAmount of foodGhrelinMidbrainMilkshakeTriglyceridesCortexFatty acidsEnergy storesGreater attenuation
2013
Decreased food pleasure and disrupted satiety signals in chronic low back pain
Geha P, deAraujo I, Green B, Small DM. Decreased food pleasure and disrupted satiety signals in chronic low back pain. Pain 2013, 155: 712-722. PMID: 24384160, DOI: 10.1016/j.pain.2013.12.027.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceChronic DiseaseEnergy IntakeFemaleFoodHumansLow Back PainMalePain MeasurementPleasurePsychophysicsSatiationTasteConceptsChronic low back painCLBP patientsLow back painHealthy controlsBack painSugary drinksFat calorie intakeHedonic perceptionSatiety signalsCalorie intakePatientsIntake testFood pleasureFunctional brainAd libitumPotential mechanismsPainObesityIntakeStructural alterationsPhysiological mechanismsHedonic ratingsAlterationsDrinksSensory evaluation
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 Research
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
Separate Signals for Orthonasal vs. Retronasal Perception of Food but Not Nonfood Odors
Bender G, Hummel T, Negoias S, Small DM. Separate Signals for Orthonasal vs. Retronasal Perception of Food but Not Nonfood Odors. Behavioral Neuroscience 2009, 123: 481-489. PMID: 19485554, DOI: 10.1037/a0015065.Peer-Reviewed Original Research
2008
Modulation of the spatial attention network by incentives in healthy aging and mild cognitive impairment
Bagurdes LA, Mesulam MM, Gitelman DR, Weintraub S, Small DM. Modulation of the spatial attention network by incentives in healthy aging and mild cognitive impairment. Neuropsychologia 2008, 46: 2943-2948. PMID: 18602410, DOI: 10.1016/j.neuropsychologia.2008.06.005.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAgingAnalysis of VarianceAttentionCase-Control StudiesCerebral CortexCognition DisordersDementiaDiscrimination, PsychologicalHumansLimbic SystemMagnetic Resonance ImagingMatched-Pair AnalysisMiddle AgedMotivationReaction TimeReference ValuesRewardSeverity of Illness IndexSpace PerceptionConceptsSpatial attentionSpatial attention networkAttentional shiftsMild cognitive impairmentAttention networkHealthy agingOrbitofrontal cortexCovert attention taskSelective spatial attentionCognitive impairmentUnderlying neural circuitryAD-related declineAttention taskSelective attentionEmotional contentOFC activationPCC activationSpatial cuesSecondary reinforcerInfluence of incentivesPosterior cingulateNeural circuitryNovel eventsCurrent experimentsBehavioral effects
2004
Experience-Dependent Neural Integration of Taste and Smell in the Human Brain
Small DM, Voss J, Mak YE, Simmons KB, Parrish T, Gitelman D. Experience-Dependent Neural Integration of Taste and Smell in the Human Brain. Journal Of Neurophysiology 2004, 92: 1892-1903. PMID: 15102894, DOI: 10.1152/jn.00050.2004.Peer-Reviewed Original ResearchMeSH KeywordsAdultAnalysis of VarianceBrainBrain MappingFemaleHumansLife Change EventsMaleSmellTasteConceptsAnterior cingulate cortexPosterior parietal cortexOrbitofrontal cortexCaudal orbitofrontal cortexFrontal operculumPrefrontal cortexParietal cortexFlavor perceptionVentral lateral prefrontal cortexVentral insulaEvent-related fMRIVentrolateral prefrontal cortexLateral prefrontal cortexDistinct sensory inputsAnterior ventral insulaPerception of flavorUnimodal stimuliSuperadditive responsesNeural correlatesBrain responsesNeural responsesFlavor processingNeural suppressionOlfactory deliveryDorsal insula
2001
Changes in Taste Intensity Perception Following Anterior Temporal Lobe Removal in Humans
Small D, Zatorre R, Jones-Gotman M. Changes in Taste Intensity Perception Following Anterior Temporal Lobe Removal in Humans. Chemical Senses 2001, 26: 425-432. PMID: 11369677, DOI: 10.1093/chemse/26.4.425.Peer-Reviewed Original ResearchConceptsAnterior temporal lobeTemporal lobeHealthy control subjectsTemporal lobe removalsRight anterior temporal lobeRight temporal groupPatient groupIntractable epilepsyControl subjectsControl groupMeasures ANOVAMeasures analysisBitter tasteSignificant differencesUnpleasant bitter tasteStimulus concentrationLobeTaste perceptionSubjectsGroupTemporal groupsPatientsIntensity perceptionEpilepsy