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
2007
Dimensions of Impulsivity Are Associated with Poor Spatial Working Memory Performance in Monkeys
James AS, Groman SM, Seu E, Jorgensen M, Fairbanks LA, Jentsch JD. Dimensions of Impulsivity Are Associated with Poor Spatial Working Memory Performance in Monkeys. Journal Of Neuroscience 2007, 27: 14358-14364. PMID: 18160643, PMCID: PMC6673444, DOI: 10.1523/jneurosci.4508-07.2007.Peer-Reviewed Original ResearchConceptsDimensions of impulsivityMemory performanceNonsocial stimuliResponse taskImpulsive behaviorDRD4 genotypeAttention-deficit/hyperactivity disorderDeficit/hyperactivity disorderSpatial Working Memory PerformanceHigh impulsive animalsWorking Memory PerformanceDelayed response taskDimensions of temperamentLow impulsive subjectsDRD4 allelesNeurocognitive endophenotypesDopamine D4 receptor geneHyperactivity disorderD4 receptor geneDimensional phenotypesCorrect responsesDelay versionImpulsivityCeiling levelImpulsive approach