Featured Publications
Closed-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 dimensionsLatencyNeuronsOxytocin under opioid antagonism leads to supralinear enhancement of social attention
Dal Monte O, Piva M, Anderson KM, Tringides M, Holmes AJ, Chang SWC. Oxytocin under opioid antagonism leads to supralinear enhancement of social attention. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 5247-5252. PMID: 28461466, PMCID: PMC5441805, DOI: 10.1073/pnas.1702725114.Peer-Reviewed Original ResearchConceptsSocial attentionMutual eye contactSocial cognitionReward receiptParticular social importanceEfficacy of oxytocinEye contactSocial dysfunctionOpioid antagonismSocial contextGaze interactionHuman brainEntire sessionOxytocinΚ-opioid receptor geneFacial regionOT geneAttentionCognitionSocial importanceStrong effectMonkeysOpioid systemSessionsContext
2019
Differences in how macaques monitor others: Does serotonin play a central role?
Weinberg‐Wolf H, Chang SWC. Differences in how macaques monitor others: Does serotonin play a central role? Wiley Interdisciplinary Reviews Cognitive Science 2019, 10: e1494. PMID: 30775852, PMCID: PMC6570566, DOI: 10.1002/wcs.1494.Peer-Reviewed Original ResearchConceptsDecision-making psychologyCognitive BiologySocial attentionSocial competenciesSocial informationSocial monitoringEvolutionary rootsPsychologySocial toleranceNeuroscienceAggressionDominance behaviorRole of serotoninField of primatologySerotonergic functionCognitionConspecificsPrimatesPrimatologyMacaquesCompetenciesDifferencesAttentionCentral roleResource opportunities
2016
Live interaction distinctively shapes social gaze dynamics in rhesus macaques
Dal Monte O, Piva M, Morris JA, Chang SW. Live interaction distinctively shapes social gaze dynamics in rhesus macaques. Journal Of Neurophysiology 2016, 116: 1626-1643. PMID: 27486105, PMCID: PMC5144716, DOI: 10.1152/jn.00442.2016.Peer-Reviewed Original ResearchConceptsMutual eye contactGaze dynamicsEye contactSocial cognitionProportion of fixationsInteractive social contextsPairs of monkeysFocal attentionSustained attentionLive interactionEye regionSeparable componentsFamiliar pairsMeaningful eventsSocial contextReal partnersDominant monkeysSame monkeysCognitionStatic imagesReal-time interactionAttentionMonkeys
2012
Inhaled 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