2022
Olfactory decoding is positively associated with ad libitum food intake in sated humans
Perszyk EE, Davis XS, Small DM. Olfactory decoding is positively associated with ad libitum food intake in sated humans. Appetite 2022, 180: 106351. PMID: 36270421, DOI: 10.1016/j.appet.2022.106351.Peer-Reviewed Original ResearchConceptsAd libitum food intakeBody weight regulationFood intakeWeight regulationLong-term body weight regulationHealthy human adultsFunctional magnetic resonancePiriform cortexSatiety stateUnivariate analysisBody weightMeal consumptionPrevious functional magnetic resonanceNonfood odorsWeight changeBrain activationIntakeHuman adultsMulti-voxel pattern analysisHungry stateRole of olfactionOlfactory codingNeural patternsMagnetic resonanceAmygdala
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
2012
Altered hypothalamic response to food in smokers 1 , 2 , 3
Geha PY, Aschenbrenner K, Felsted J, O'Malley SS, Small DM. Altered hypothalamic response to food in smokers 1 , 2 , 3. American Journal Of Clinical Nutrition 2012, 97: 15-22. PMID: 23235196, PMCID: PMC3522134, DOI: 10.3945/ajcn.112.043307.Peer-Reviewed Original ResearchConceptsWeight changeBrain responsesFunctional MRILong-term weight changeAltered brain responsesTasteless control solutionMilk shakeEnergy-dense foodsGroup of ageSmoking statusSmoking cessationSmoking influencesHypothalamic responseNonsmokersSmokersVentral striatumWeight gainBMIHypothalamusGreater responseResponseFoodStudy 1ThalamusGroup