grant
Hippocampal dopamine signaling and food-related memory: implications for obesity
Organization UNIVERSITY OF SOUTHERN CALIFORNIALocation Los Angeles, UNITED STATESPosted 15 Sept 2025Deadline 14 Sept 2028
NIHUS FederalResearch GrantFY20251,2-Benzisothiazol-3(2H)-one, 1,1-dioxideAffectAmericanAmmon HornAnimal ModelAnimal Models and Related StudiesAnimalsAppetiteBasic ResearchBasic ScienceBehavioral MechanismsBilateralBindingBrainBrain Nervous SystemBrain regionCaloric IntakeCausalityCell Communication and SignalingCell SignalingChemicalsCommon Rat StrainsConsumptionControl AnimalCorn OilCornu AmmonisCorpus StriatumCorpus striatum structureCuesDataDentate FasciaDesire for foodDevelopmentDopamineDopamine ReceptorDorsalEatingEating BehaviorEncephalonEnergy IntakeEpisodic memoryEtiologyExhibitsFascia DentataFeedbackFeeding behaviorsFiberFluorescenceFoodFood IntakeFood Intake RegulationFutureGyrus DentatusHigh Fat DietHippocampusHumanHungerHydroxytyramineHyperphagiaImpairmentInfusionInfusion proceduresIngestive BehaviorIntracellular Communication and SignalingInvestigatorsLearningLifeLinkLipidsLocationMacronutrientsMacronutrients NutritionMaize OilMechanisms of Behavior and Behavior ChangeMediatingMediationMemoryMemory DeficitMemory impairmentMesencephalonMiceMice MammalsMid-brainMidbrainMidbrain structureModelingModern ManModernizationMolecularMolecular InteractionMurineMusNegotiatingNegotiationNerve CellsNerve Transmitter SubstancesNerve UnitNeural CellNeurocyteNeuronsNeurotransmittersNucleus AccumbensNutrientObesityObesity EpidemicOutcomeOvereatingPETPET ScanPET imagingPETSCANPETTPathway interactionsPatternPhenotypePositron Emission Tomography Medical ImagingPositron Emission Tomography ScanPositron-Emission TomographyPreventative strategyPrevention strategyPreventive strategyPropertyPublic HealthRad.-PETRatRats MammalsRattusReceptor ProteinReceptor SignalingReportingResearchResearch PersonnelResearchersRewardsRodent ModelRoleSaccharinSaccharoseSatiationSignal TransductionSignal Transduction SystemsSignalingSocietiesStimulusStomachStriate BodyStriatumSucroseSweetenersSweetening AgentsSynaptic plasticitySystemTimeVentral StriatumWorkadiposityadult adiposityadult obesityadults with obesityantagonismantagonistbehavior mechanismbiological signal transductioncaloric dietary contentcausationcorpulencedentate gyrusdevelopmentaldiet-associated obesitydiet-induced obesitydiet-related obesitydisease causationdopamine systemeat lessenergy balanceexperimentexperimental researchexperimental studyexperimentsfeedingfeeding-related behaviorsfood Ingestionfood consumptiongastrichippocampalhuman modelhuman subjectimprovedin vivoinfusionsinnervationinsightmalememory consolidationmemory dysfunctionmemory recognitionmodel of animalmodel of humannerve supplyneurobiological mechanismneuronalnovelnutrient intake activityobese individualsobese peopleobese personobese populationobese subjectsobesigenicobesity preventionobesity-promoting dietobesogenicobesogenic Western-style dietobesogenic dietobesogenic high fat dietobesogenic western dietpathwaypharmacologicpolyphagiapositron emission tomographic (PET) imagingpositron emission tomographic imagingpositron emitting tomographypostsynapticpre-clinicalpreclinicalpreservationpresynapticprevent obesitypro-obesity dietreceptorreceptor expressionreceptor-mediated signalingreduced eatingreduced food intakeresponsereward processingsatietysensorsocial rolestriatalsuccesssugartreatment strategyverbalweight loss interventionweight loss therapyweight loss treatmentwestern dietwestern-style dietwestern-type diet♂
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Project Summary/ Abstract
Dopamine (DA) is a neurotransmitter associated with reward and reward-prediction based learning9.
One type of rewarding stimulus is the consumption of food which provides both orosensory and post-ingestive
positive feedback10; 11. In a modern society where food is both plentiful and more energetically dense, these…
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