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
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