2020
The Neurobiology of Impulsive Decision-Making and Reinforcement Learning in Nonhuman Animals
Groman SM. The Neurobiology of Impulsive Decision-Making and Reinforcement Learning in Nonhuman Animals. Current Topics In Behavioral Neurosciences 2020, 47: 23-52. PMID: 32157666, DOI: 10.1007/7854_2020_127.Peer-Reviewed Original ResearchConceptsImpulsive choiceNonhuman animalsReinforcement learning processSophisticated behavioralImpulsive decisionNeural mechanismsNeuroscience techniquesNeurobiological mechanismsNeuromodulatory systemsBehavioral heterogeneityApplication of reinforcementLearning processNeurochemical basisMental illnessIntegration of reinforcementImpulsivityPathological levels
2019
Bi‐directional modulation of food habit expression by the endocannabinoid system
Gianessi CA, Groman SM, Taylor JR. Bi‐directional modulation of food habit expression by the endocannabinoid system. European Journal Of Neuroscience 2019, 49: 1610-1622. PMID: 30589475, PMCID: PMC7790508, DOI: 10.1111/ejn.14330.Peer-Reviewed Original ResearchConceptsCannabinoid receptor type 1Endocannabinoid systemTransient receptor potential cationHabitual respondingExpression of habitsMale C57BL/6 miceEndocannabinoid transport inhibitor AM404Potential pharmacological strategiesSubstance use disordersReceptor type 1Bi-directional modulationC57BL/6 micePharmacological strategiesCB1 receptorsPharmacological stimulationUse disordersEnzyme inhibitorsMental disordersType 1Neural circuitsNeuromodulatory systemsGoal-directed actionsSimilar reductionAM404Habit learning
2013
Monoamine Levels Within the Orbitofrontal Cortex and Putamen Interact to Predict Reversal Learning Performance
Groman SM, James AS, Seu E, Crawford MA, Harpster SN, Jentsch JD. Monoamine Levels Within the Orbitofrontal Cortex and Putamen Interact to Predict Reversal Learning Performance. Biological Psychiatry 2013, 73: 756-762. PMID: 23332512, PMCID: PMC3615106, DOI: 10.1016/j.biopsych.2012.12.002.Peer-Reviewed Original ResearchConceptsGoal-directed behaviorOrbitofrontal cortexReward-directed behaviorPsychiatric disordersObsessive-compulsive disorderIndividual differencesAssociative learningInflexible behaviorBehavioral flexibilityBehavioral addictionsCompulsive behaviorsImportant modulatory influenceDiscrimination problemNeuromodulatory systemsPutamen dopamineNeurochemical dysfunctionBehavioral impairmentsNeurochemical levelsNeurochemical systemsDorsal striatumModulatory influenceCurrent studyDopamine levelsCortexNeurochemical differences