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 responseReinforcersLearningCorrelatesCortex
2023
Metacognitive judgments during visuomotor learning reflect the integration of error history
Hewitson C, Al-Fawakhiri N, Forrence A, McDougle S. Metacognitive judgments during visuomotor learning reflect the integration of error history. Journal Of Neurophysiology 2023, 130: 264-277. PMID: 37377281, DOI: 10.1152/jn.00022.2023.Peer-Reviewed Original ResearchConceptsConfidence judgmentsMetacognitive judgmentsMotor learningMotor errorsVisuomotor learningHigher-order cognitionMetacognitive confidence judgmentsRange of tasksMetacognitive representationExplicit motorNeural studiesComputational modeling approachOwn abilityEnvironmental volatilityPeople's confidenceJudgmentsMotor controlLearning environmentLearningConfidence estimatesDescriptive modelError historyComputational modelingError costsCognition“Don't [ruminate], be happy”: A cognitive perspective linking depression and anhedonia
Rutherford A, McDougle S, Joormann J. “Don't [ruminate], be happy”: A cognitive perspective linking depression and anhedonia. Clinical Psychology Review 2023, 101: 102255. PMID: 36871425, DOI: 10.1016/j.cpr.2023.102255.Peer-Reviewed Original ResearchConceptsPositive affectNegative affectSustained negative affectCognitive constructsCognitive theoryCognitive perspectiveLack of pleasureCognitive deficitsSpecific thoughtsIntervention effortsDifferent theoretical lensesAffectRuminationAnhedoniaDeficitsExtant literatureMemoryDepressionHallmark featureComputational modelingTheoretical lensesEnvironmental cuesLess focusDebilitating disorderCues