Featured Publications
Lesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia
Suthaharan P, Thompson S, Rossi-Goldthorpe R, Rudebeck P, Walton M, Chakraborty S, Noonan M, Costa V, Murray E, Mathys C, Groman S, Mitchell A, Taylor J, Corlett P, Chang S. Lesions to the mediodorsal thalamus, but not orbitofrontal cortex, enhance volatility beliefs linked to paranoia. Cell Reports 2024, 43: 114355. PMID: 38870010, PMCID: PMC11231991, DOI: 10.1016/j.celrep.2024.114355.Peer-Reviewed Original ResearchOrbitofrontal cortexMediodorsal thalamusReward learning rateAssociated with paranoiaExcitotoxic lesionsBrain regionsUnoperated monkeysAction selectionAdaptive behaviorParanoiaBelief updatingMDmcMeaningful changeCortexThalamusBeliefsLearning rateRobust to variabilityCompare performanceRewardBehaviorBrainMonkeysAction policiesPerceptionClosed-loop microstimulations of the orbitofrontal cortex during real-life gaze interaction enhance dynamic social attention
Fan S, Dal Monte O, Nair A, Fagan N, Chang S. Closed-loop microstimulations of the orbitofrontal cortex during real-life gaze interaction enhance dynamic social attention. Neuron 2024, 112: 2631-2644.e6. PMID: 38823391, PMCID: PMC11309918, DOI: 10.1016/j.neuron.2024.05.004.Peer-Reviewed Original ResearchPrimate prefrontal cortexPrefrontal cortexSocial attentionOrbitofrontal cortexDorsomedial prefrontal cortexAnterior cingulate cortexCingulate cortexDirect gazeGaze interactionCortexGaze dynamicsControl different aspectsDistance of fixationDifferent aspectsGaze eventsPartner eyeGazeMultiple regionsMicrostimulationGaze positionAttentionSpatial dimensionsLatencyNeuronsThe anterior cingulate cortex is necessary for forming prosocial preferences from vicarious reinforcement in monkeys
Basile BM, Schafroth JL, Karaskiewicz CL, Chang SWC, Murray EA. The anterior cingulate cortex is necessary for forming prosocial preferences from vicarious reinforcement in monkeys. PLOS Biology 2020, 18: e3000677. PMID: 32530910, PMCID: PMC7292358, DOI: 10.1371/journal.pbio.3000677.Peer-Reviewed Original ResearchConceptsAnterior cingulate cortexProsocial preferencesVicarious reinforcementCingulate cortexACC lesionsPrimate anterior cingulate cortexSocial preferencesDifferent visual cuesSocial cognitionReward outcomesReinforcement taskReward deliveryVisual cuesACC contributionSocial outcomesCuesSocial relationshipsExcitotoxic lesionsPeripheral targetsGood thingGreater tendencySelfCortexLesion groupSingle neuronsSpecialized medial prefrontal–amygdala coordination in other-regarding decision preference
Dal Monte O, Chu CCJ, Fagan NA, Chang SWC. Specialized medial prefrontal–amygdala coordination in other-regarding decision preference. Nature Neuroscience 2020, 23: 565-574. PMID: 32094970, PMCID: PMC7131896, DOI: 10.1038/s41593-020-0593-y.Peer-Reviewed Original ResearchConceptsMultiple cognitive operationsRostral anterior cingulate gyrusMedial prefrontal cortexSubcortical brain regionsAnterior cingulate gyrusCognitive operationsGamma frequency bandSocial decisionsSpecialized coordinationPrefrontal cortexNegative ORPSocial behaviorNeural populationsCingulate gyrusBrain regionsBasolateral amygdalaNetwork interactDecision preferencesSpecific directionalityNeuronal interactionsRewardGyrusAmygdalaPreferencesCortexThe dorsomedial prefrontal cortex computes task-invariant relative subjective value for self and other
Piva M, Velnoskey K, Jia R, Nair A, Levy I, Chang SW. The dorsomedial prefrontal cortex computes task-invariant relative subjective value for self and other. ELife 2019, 8: e44939. PMID: 31192786, PMCID: PMC6565363, DOI: 10.7554/elife.44939.Peer-Reviewed Original ResearchConceptsRelative subjective valueSubjective valuePrefrontal cortexMulti-voxel pattern analysisVentromedial prefrontal cortexDorsomedial prefrontal cortexNeural correlatesPrefrontal nodesFMRI approachRisky choiceSubjective valuationDmPFCNeural computationSocial attitudesUbiquitous behaviorSelfTaskPattern analysisCortexIndependent tasksBehavioral modelingParticipantsCorrelatesAttitudesDissimilar preferencesThe Anterior Cingulate Gyrus and Social Cognition: Tracking the Motivation of Others
Apps MA, Rushworth MF, Chang SW. The Anterior Cingulate Gyrus and Social Cognition: Tracking the Motivation of Others. Neuron 2016, 90: 692-707. PMID: 27196973, PMCID: PMC4885021, DOI: 10.1016/j.neuron.2016.04.018.Peer-Reviewed Original ResearchConceptsAnterior cingulate cortexSocial cognitionSocio-cognitive abilitiesAnterior cingulate gyrusCognitive processesError processingSocial informationCingulate cortexSocial interactionSocial behaviorCingulate gyrusCognitionTestable predictionsGyrusMotivationACCGFurther evidenceComputational propertiesKey mechanismCortexBehaviorProcessingEvidenceIndividualsAbility
2023
The orbitofrontal cortex: A goal-directed cognitive map framework for social and non-social behaviors
Shi W, Meisner O, Blackmore S, Jadi M, Nandy A, Chang S. The orbitofrontal cortex: A goal-directed cognitive map framework for social and non-social behaviors. Neurobiology Of Learning And Memory 2023, 203: 107793. PMID: 37353191, PMCID: PMC10527225, DOI: 10.1016/j.nlm.2023.107793.Peer-Reviewed Original ResearchConceptsOrbitofrontal cortexOFC functionCognitive mapsOFC neuronsNon-social domainCore brain areasNon-social behaviorsReward-based behaviorsValues-based behaviorSocial behaviorSocial contextBrain areasBehavioral contextSocial functionComplex representationSingle subjectCortexBehaviorTremendous knowledgeIntegrated viewContextTask spaceMAP frameworkRepresentationWide array
2021
Social processing by the primate medial frontal cortex
Putnam PT, Chang SWC. Social processing by the primate medial frontal cortex. International Review Of Neurobiology 2021, 158: 213-248. PMID: 33785146, PMCID: PMC8232543, DOI: 10.1016/bs.irn.2020.12.003.Peer-Reviewed Original ResearchConceptsPrimate medial frontal cortexMedial frontal cortexFrontal cortexSocial interactionSocial behaviorSocial information processingAdaptive social interactionsNon-social behaviorsComplex social behaviorsSocial processingInformation processing systemsNeurophysiology literatureVicarious learningSocial partnersInformation processingSocial monitoringNeuronal substratesBrain regionsUnique contributionNeurophysiology experimentsSocial functionCortexNeural algorithmDecision-making processNonhuman primates
2012
Neuronal reference frames for social decisions in primate frontal cortex
Chang SW, Gariépy JF, Platt ML. Neuronal reference frames for social decisions in primate frontal cortex. Nature Neuroscience 2012, 16: 243-250. PMID: 23263442, PMCID: PMC3557617, DOI: 10.1038/nn.3287.Peer-Reviewed Original Research