2023
Multiple visual objects are represented differently in the human brain and convolutional neural networks
Mocz V, Jeong S, Chun M, Xu Y. Multiple visual objects are represented differently in the human brain and convolutional neural networks. Scientific Reports 2023, 13: 9088. PMID: 37277406, PMCID: PMC10241785, DOI: 10.1038/s41598-023-36029-z.Peer-Reviewed Original ResearchConceptsObject representationsConvolutional neural networkMultiple visual objectsHuman brainRecurrent processingVisual objectsProcessing regionsSingle-unit levelObject pairsIT neuronsFMRI voxelsSingle objectConstituent objectsPrimate brainBrain dataNeural networkDifferent contextsResponse patternsObject classificationReal worldObjectsRepresentationUnit levelBrainSuch distortionsWhat Moves Us? The Intrinsic Memorability of Dance
Ongchoco J, Chun M, Bainbridge W. What Moves Us? The Intrinsic Memorability of Dance. Journal Of Experimental Psychology Learning Memory And Cognition 2023, 49: 889-899. PMID: 36201801, DOI: 10.1037/xlm0001168.Peer-Reviewed Original ResearchConceptsExpressive actionsIntrinsic memorabilityRobust memorySimple actionsMemorabilityMemoryDynamic experienceObjective measuresStatic imagesAesthetic attributesPerceiversDanceDynamic sequenceIndividual snapshotsPeopleExperienceRemarkable consistencyGesturesLong sequencesPrevious workConsistencyStatic memory
2022
Differences in the functional brain architecture of sustained attention and working memory in youth and adults
Kardan O, Stier A, Cardenas-Iniguez C, Schertz K, Pruin J, Deng Y, Chamberlain T, Meredith W, Zhang X, Bowman J, Lakhtakia T, Tindel L, Avery E, Lin Q, Yoo K, Chun M, Berman M, Rosenberg M. Differences in the functional brain architecture of sustained attention and working memory in youth and adults. PLOS Biology 2022, 20: e3001938. PMID: 36542658, PMCID: PMC9815648, DOI: 10.1371/journal.pbio.3001938.Peer-Reviewed Original ResearchConceptsSustained attentionFunctional brain architectureWM performanceIndividual differencesFunctional connectivityBrain architectureLater recognition memoryRecognition memoryWM modelBrain networksWMMemoryYouthAge groupsFunctional connectionsAdultsChildrenNetwork predictorAttentionPerformancePredictorsDifferencesConnectivityAbilityFunctional connectome stability and optimality are markers of cognitive performance
Corriveau A, Yoo K, Kwon Y, Chun M, Rosenberg M. Functional connectome stability and optimality are markers of cognitive performance. Cerebral Cortex 2022, 33: 5025-5041. PMID: 36408606, PMCID: PMC10110430, DOI: 10.1093/cercor/bhac396.Peer-Reviewed Original ResearchConceptsFunctional connectivityAspects of attentionConnectivity patternsFunctional connectivity patternsAttentional abilitiesMemory taskCognitive tasksIndividual differencesCognitive performanceInitial evidenceCognitionIndependent samplesTaskFunctional connectionsConnectomeIndividualsConnectivityAttentionDistinctive patternsOptimal patternAbilityPrevious workPatternsPredicting Identity-Preserving Object Transformations in Human Posterior Parietal Cortex and Convolutional Neural Networks
Mocz V, Vaziri-Pashkam M, Chun M, Xu Y. Predicting Identity-Preserving Object Transformations in Human Posterior Parietal Cortex and Convolutional Neural Networks. Journal Of Cognitive Neuroscience 2022, 34: 2406-2435. PMID: 36122358, PMCID: PMC9988239, DOI: 10.1162/jocn_a_01916.Peer-Reviewed Original ResearchConceptsOccipito-temporal cortexPosterior parietal cortexHuman posterior parietal cortexHuman occipito-temporal cortexNon-Euclidean featuresObject identityParietal cortexConvolutional neural networkPrimate ventral visual systemSuperior intraparietal sulcusVisual object informationVentral visual systemFeature changesObject responsesIntraparietal sulcusCurrent best modelVisual systemEuclidean featuresObject informationResponse of objectsPrevious researchNeural networkObject transformationCortexObject classification
2021
Predicting Identity-Preserving Object Transformations across the Human Ventral Visual Stream
Mocz V, Vaziri-Pashkam M, Chun M, Xu Y. Predicting Identity-Preserving Object Transformations across the Human Ventral Visual Stream. Journal Of Neuroscience 2021, 41: 7403-7419. PMID: 34253629, PMCID: PMC8412993, DOI: 10.1523/jneurosci.2137-20.2021.Peer-Reviewed Original Research
2015
A neuromarker of sustained attention from whole-brain functional connectivity
Rosenberg MD, Finn ES, Scheinost D, Papademetris X, Shen X, Constable RT, Chun MM. A neuromarker of sustained attention from whole-brain functional connectivity. Nature Neuroscience 2015, 19: 165-171. PMID: 26595653, PMCID: PMC4696892, DOI: 10.1038/nn.4179.Peer-Reviewed Original ResearchFunctional connectome fingerprinting: identifying individuals using patterns of brain connectivity
Finn ES, Shen X, Scheinost D, Rosenberg MD, Huang J, Chun MM, Papademetris X, Constable RT. Functional connectome fingerprinting: identifying individuals using patterns of brain connectivity. Nature Neuroscience 2015, 18: 1664-1671. PMID: 26457551, PMCID: PMC5008686, DOI: 10.1038/nn.4135.Peer-Reviewed Original ResearchOpponent Identity Influences Value Learning in Simple Games
Vickery TJ, Kleinman MR, Chun MM, Lee D. Opponent Identity Influences Value Learning in Simple Games. Journal Of Neuroscience 2015, 35: 11133-11143. PMID: 26245974, PMCID: PMC6605273, DOI: 10.1523/jneurosci.3530-14.2015.Peer-Reviewed Original ResearchConceptsNeural correlatesReinforcement signalRight rostral anterior cingulateHuman reinforcement learningReward-based learningBrain region activityReal-world decision makingRostral anterior cingulateSame opponentDecision makingMatching-pennies gameStrategies of participantsComputerized opponentDecision-making scenariosSuch contextual informationReinforcement learningNeural mechanismsBehavioral measuresReinforcement historyComputer opponentOpponent’s identitySubjects' strategiesAnterior cingulateSocial interactionContextual frames
2014
Neural portraits of perception: Reconstructing face images from evoked brain activity
Cowen AS, Chun MM, Kuhl BA. Neural portraits of perception: Reconstructing face images from evoked brain activity. NeuroImage 2014, 94: 12-22. PMID: 24650597, PMCID: PMC4028096, DOI: 10.1016/j.neuroimage.2014.03.018.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultBiometryBrainBrain MappingComputer SimulationData Interpretation, StatisticalEvoked Potentials, VisualFaceFemaleHumansImage Interpretation, Computer-AssistedMagnetic Resonance ImagingMaleModels, NeurologicalModels, StatisticalNerve NetPattern Recognition, VisualReproducibility of ResultsSensitivity and SpecificityStatistics as TopicConceptsBrain activityHigher-level cortical areasOccipital cortexHigher-level cortical regionsEarly visual cortexFace imagesTraining facesIndividual face imagesFace perceptionPerceptual informationTest faceVisual experienceVisual inputDistributed patternNeural activityCortical networksRecent neuroimaging advancesCortical regionsVisual cortexCortical areasNeuroimaging advancesRetinotopic mappingNeural reconstructionValidation measuresCortex
2011
Memory: Enduring Traces of Perceptual and Reflective Attention
Chun MM, Johnson MK. Memory: Enduring Traces of Perceptual and Reflective Attention. Neuron 2011, 72: 520-535. PMID: 22099456, PMCID: PMC3248396, DOI: 10.1016/j.neuron.2011.10.026.Peer-Reviewed Original ResearchConceptsReflective attentionInternal mental representationsCognitive neuroscienceEpisodic memoryMental representationsCognitive activityRepresentational areaMemoryControl processReflective informationExternal informationPerceptionImportant unresolved issuesCommon areasAttentionNeuroscienceFundamental typesSeparate topicsUnresolved issuesKey questionsRepresentationFindingsInformationBroad rangeExtentA Taxonomy of External and Internal Attention
Chun MM, Golomb JD, Turk-Browne NB. A Taxonomy of External and Internal Attention. Annual Review Of Psychology 2011, 62: 73-101. PMID: 19575619, DOI: 10.1146/annurev.psych.093008.100427.Peer-Reviewed Original ResearchConceptsInternal attentionExternal attentionModality-specific inputLong-term memoryTarget of attentionPerceptual attentionAttentional mechanismsCognitive operationsTask rulesSustain focusNeural mechanismsSensory informationType of informationMemoryOrganizing frameworkClassic debateAttentionBroader levelLimited capacityCore propertiesInformationSignificant problemRepresentationTaxonomyExternal
2005
Visual Attention in Deaf and Normal Hearing AdultsEffects of Stimulus Compatibility
Sladen D, Tharpe A, Ashmead D, Grantham D, Chun M. Visual Attention in Deaf and Normal Hearing AdultsEffects of Stimulus Compatibility. Journal Of Speech Language And Hearing Research 2005, 48: 1529-1537. PMID: 16478388, DOI: 10.1044/1092-4388(2005/106).Peer-Reviewed Original ResearchConceptsDeaf groupHearing groupVisual perceptual skillsGreater interference effectEriksen flanker taskNormal-hearing adultsReaction timeStimulus compatibilityPerceptual skillsFlanker taskVisual attentionTarget letterDissimilar lettersHearing adultsMore errorsDeaf participantsDeaf individualsNormal hearingComputer screenParafoveal eccentricitiesInterference effectsVisual resourcesParticipantsTaskFlankersDelayed Attentional Engagement in the Attentional Blink
Nieuwenstein M, Chun M, van der Lubbe R, Hooge I. Delayed Attentional Engagement in the Attentional Blink. Journal Of Experimental Psychology Human Perception & Performance 2005, 31: 1463-1475. PMID: 16366802, DOI: 10.1037/0096-1523.31.6.1463.Peer-Reviewed Original ResearchResponse-specific sources of dual-task interference in human pre-motor cortex
Marois R, Larson J, Chun M, Shima D. Response-specific sources of dual-task interference in human pre-motor cortex. Psychological Research 2005, 70: 436-447. PMID: 16283409, DOI: 10.1007/s00426-005-0022-6.Peer-Reviewed Original ResearchMeSH KeywordsAdultAttentionBrain MappingColor PerceptionDominance, CerebralFemaleFrontal LobeFunctional LateralityHumansImage Processing, Computer-AssistedMagnetic Resonance ImagingMaleMotor CortexNerve NetOxygenParietal LobePattern Recognition, VisualPsychomotor PerformanceReaction TimeRefractory Period, PsychologicalConceptsPsychological refractory periodPre-motor cortexResponse selectionBrain activityDual-task manipulationsDual-task situationsDual-task interferenceDual-task costsInferior frontal cortexParieto-frontal areasDual-task conditionsDorsal pre-motor cortexFMRI brain activityDistinct motor responsesNeural locusSecond stimulusPerceptual visibilityMotor responseBrain regionsStimuliFrontal cortexCentral limitationRapid successionCortexSuch performance limitationsConcurrent working memory load can reduce distraction
Kim S, Kim M, Chun M. Concurrent working memory load can reduce distraction. Proceedings Of The National Academy Of Sciences Of The United States Of America 2005, 102: 16524-16529. PMID: 16258067, PMCID: PMC1283430, DOI: 10.1073/pnas.0505454102.Peer-Reviewed Original ResearchConceptsConcurrent WM loadWM loadExecutive controlDistractor processingStroop taskStroop interferenceDifferent Stroop tasksContents of WMAttentional selectionMemory loadDissociable componentsExperiment 3Target taskType of informationTaskWMInformation overlapProcessingMemoryPeopleDistractionPerceptionDifferent effectsItemsDifficultiesAttentional rubbernecking: Cognitive control and personality in emotion-induced blindness
Most S, Chun M, Widders D, Zald D. Attentional rubbernecking: Cognitive control and personality in emotion-induced blindness. Psychonomic Bulletin & Review 2005, 12: 654-661. PMID: 16447378, DOI: 10.3758/bf03196754.Peer-Reviewed Original ResearchConceptsAttentional biasesEmotional stimuliNeutral picturesHarm avoidanceRapid serial visual presentationEmotion-induced blindnessSerial visual presentationCognitive controlEmotional informationAttentional strategiesNegative picturesTarget processingVisual presentationExperiment 1Experiment 2Greater deficitsStimuliTemporary inabilityParticipantsShort lagAvoidanceBiasesProcessingPotential costsPersonalityAttentional Modulation of Learning-Related Repetition Attenuation Effects in Human Parahippocampal Cortex
Yi D, Chun M. Attentional Modulation of Learning-Related Repetition Attenuation Effects in Human Parahippocampal Cortex. Journal Of Neuroscience 2005, 25: 3593-3600. PMID: 15814790, PMCID: PMC6725381, DOI: 10.1523/jneurosci.4677-04.2005.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingVisual informationNeural activityHuman parahippocampal cortexLearning-related changesParahippocampal place areaImportant issue concernsRepetition attenuationPerceptual processingPerceptual stimuliAttentional modulationPerceptual inputInitial encodingPerceptual experienceRepetition suppressionTask demandsMemory tracesPlace areaNovel stimuliAdaptation effectsParahippocampal cortexNeural circuitryBiological visionVisual systemAdaptive balance
2004
A Common Parieto-Frontal Network Is Recruited Under Both Low Visibility and High Perceptual Interference Conditions
Marois R, Chun M, Gore J. A Common Parieto-Frontal Network Is Recruited Under Both Low Visibility and High Perceptual Interference Conditions. Journal Of Neurophysiology 2004, 92: 2985-2992. PMID: 15486425, DOI: 10.1152/jn.01061.2003.Peer-Reviewed Original ResearchConceptsParieto-frontal networkTarget letterPerceptual visibilityEvent-related fMRI experimentLetter identification taskSame neural mechanismsInterference conditionsPerceptual interferencePerceptual manipulationsVisual attentionNeural mechanismsIdentification taskFMRI experimentThreshold itemsFrontal cortexLuminance contrastDistractorsChallenging conditionsAttentionTaskCortexItemsLetterNeural fate of ignored stimuli: dissociable effects of perceptual and working memory load
Yi D, Woodman G, Widders D, Marois R, Chun M. Neural fate of ignored stimuli: dissociable effects of perceptual and working memory load. Nature Neuroscience 2004, 7: 992-996. PMID: 15286791, DOI: 10.1038/nn1294.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingMemory loadDissociable effectsHuman ventral visual cortexVentral visual cortexCategory-selective areasTypes of tasksUnattended stimuliPerceptual difficultiesVisual eventsNeural processingBackground stimuliParahippocampal cortexVisual informationNumber of objectsTarget taskVisual cortexBackground sceneStimuliSubject engagesFunctional blindnessTaskCortexProcessingMagnetic resonance imaging