Featured Publications
Dissociation of vicarious and experienced rewards by coupling frequency within the same neural pathway
Putnam P, Chu C, Fagan N, Dal Monte O, Chang S. Dissociation of vicarious and experienced rewards by coupling frequency within the same neural pathway. Neuron 2023, 111: 2513-2522.e4. PMID: 37348507, PMCID: PMC10527039, DOI: 10.1016/j.neuron.2023.05.020.Peer-Reviewed Original ResearchConceptsExperienced rewardsVicarious rewardBasolateral amygdalaAlpha/beta frequencyLocal field potentialsSame neural pathwaysSelect brain regionsSocial learningNeural systemsSocial interactionDirectional influenceRewardBrain regionsBeta frequenciesNeural pathwaysGamma frequenciesShared experienceDecision makingNeuronal interactionsSocial agencyField potentialsVoluntary choiceSocial choiceGyrusAmygdalaSpecialized 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 interactionsRewardGyrusAmygdalaPreferencesCortex
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
Autonomic Arousal Tracks Outcome Salience Not Valence in Monkeys Making Social Decisions
Basile BM, Joiner JA, Dal Monte O, Fagan NA, Karaskiewicz CL, Lucas DR, Chang SWC, Murray EA. Autonomic Arousal Tracks Outcome Salience Not Valence in Monkeys Making Social Decisions. Behavioral Neuroscience 2021, 135: 443-452. PMID: 34264694, PMCID: PMC8489567, DOI: 10.1037/bne0000424.Peer-Reviewed Original Research
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 ResearchInhaled oxytocin amplifies both vicarious reinforcement and self reinforcement in rhesus macaques (Macaca mulatta)
Chang SW, Barter JW, Ebitz RB, Watson KK, Platt ML. Inhaled oxytocin amplifies both vicarious reinforcement and self reinforcement in rhesus macaques (Macaca mulatta). Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 959-964. PMID: 22215593, PMCID: PMC3271866, DOI: 10.1073/pnas.1114621109.Peer-Reviewed Original ResearchConceptsDelivery of rewardTypical social behaviorsProsocial choicesDecision latenciesObservational learningSpecies-typical social behaviorsNeural mechanismsSelfish choicesVicarious reinforcementSocial behaviorDistinct contextsDonation behaviorHuman behaviorNeural modelRewardSocial awarenessSelf-ReinforcementOxytocinPrairie volesSelfMonogamous onesRhesus macaquesOwn experienceEmpathyAttention