Featured Publications
Credit assignment in movement-dependent reinforcement learning
McDougle S, Boggess M, Crossley M, Parvin D, Ivry R, Taylor J. Credit assignment in movement-dependent reinforcement learning. Proceedings Of The National Academy Of Sciences Of The United States Of America 2016, 113: 6797-6802. PMID: 27247404, PMCID: PMC4914179, DOI: 10.1073/pnas.1523669113.Peer-Reviewed Original ResearchConceptsCredit assignment problemKey pressesMovement errorsExplicit senseTwo-armed bandit taskReward prediction errorKey-press conditionDecision-making taskAbsence of rewardReinforcement learningBandit taskImplicit influenceVisual cuesMotor executionMotor competenceReinforcement modelSuch tasksCredit assignmentActual movementTaskGating hypothesisImplicit representationRewardLearningError signal
2020
The role of executive function in shaping reinforcement learning
Rmus M, McDougle S, Collins A. The role of executive function in shaping reinforcement learning. Current Opinion In Behavioral Sciences 2020, 38: 66-73. PMID: 35194556, PMCID: PMC8859995, DOI: 10.1016/j.cobeha.2020.10.003.Peer-Reviewed Original ResearchExecutive functionRL computationsImportance of EFBrain executive functionsReinforcement learning modelOne-shot learningAspects of learningInstrumental behaviorTask informationHuman decisionNeural computationLearningSophisticated aspectsLearning modelReinforcement learningImportant implicationsRecent findingsComplex environmentsBrainAspectsRL algorithmBehaviorTheoryDecisionsImplications
2019
Neural Signatures of Prediction Errors in a Decision-Making Task Are Modulated by Action Execution Failures
McDougle S, Butcher P, Parvin D, Mushtaq F, Niv Y, Ivry R, Taylor J. Neural Signatures of Prediction Errors in a Decision-Making Task Are Modulated by Action Execution Failures. Current Biology 2019, 29: 1606-1613.e5. PMID: 31056386, PMCID: PMC6535105, DOI: 10.1016/j.cub.2019.04.011.Peer-Reviewed Original ResearchConceptsNegative reward prediction errorsPrediction error computationNegative prediction errorsReward prediction errorAction Execution FailuresDecision-making taskPrediction errorExecution errorsNeural signaturesReward outcomesAction executionClassic reinforcementAction selectionNegative outcomesNeural activityMesostriatal dopamine systemModel-driven analysisExecution failuresDopamine systemDecision makingHuman striatumEcological utilityHigh-level informationReinforcement learningError computation