Featured Publications
Executive Function Assigns Value to Novel Goal-Congruent Outcomes
McDougle SD, Ballard IC, Baribault B, Bishop SJ, Collins AGE. Executive Function Assigns Value to Novel Goal-Congruent Outcomes. Cerebral Cortex 2021, 32: 231-247. PMID: 34231854, PMCID: PMC8634563, DOI: 10.1093/cercor/bhab205.Peer-Reviewed Original ResearchConceptsReward circuitExecutive controlHuman reinforcementPrefrontal correlatesInstrumental learningFunctional neuroimagingNovel outcomesHigh-level representationSecondary reinforcerPrefrontal cortexMaterial rewardsSame circuitryDopaminergic circuitsNovel imageAssigns valueReward functionRewardNeuroimagingLow-level responsesComputational modelingFlexible responseReinforcersLearningCorrelatesCortexCredit 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
2022
Distinct Neural Signatures of Outcome Monitoring After Selection and Execution Errors
Mushtaq F, McDougle SD, Craddock MP, Parvin DE, Brookes J, Schaefer A, Mon-Williams M, Taylor JA, Ivry RB. Distinct Neural Signatures of Outcome Monitoring After Selection and Execution Errors. Journal Of Cognitive Neuroscience 2022, 34: 748-765. PMID: 35104323, PMCID: PMC8969121, DOI: 10.1162/jocn_a_01824.Peer-Reviewed Original ResearchConceptsBehavioral adjustmentDistinct neural signaturesDistinct neural correlatesMedial frontal negativityExecution errorsErrors of executionProbabilistic reward taskErrors of selectionLarger FRNError positivityFrontal negativityUnrewarded outcomesNeural signaturesError processingNeural correlatesReward taskError attributionParietal sitesParietal signalsStroke executionFuture actionsEEG activitySelection errorsShot selectionTask
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
2018
Credit Assignment in a Motor Decision Making Task Is Influenced by Agency and Not Sensory Prediction Errors
Parvin D, McDougle S, Taylor J, Ivry R. Credit Assignment in a Motor Decision Making Task Is Influenced by Agency and Not Sensory Prediction Errors. Journal Of Neuroscience 2018, 38: 4521-4530. PMID: 29650698, PMCID: PMC5943979, DOI: 10.1523/jneurosci.3601-17.2018.Peer-Reviewed Original Research