2022
Predicting 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
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
2005
Response-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 limitations
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 imagingThe Neural Fate of Consciously Perceived and Missed Events in the Attentional Blink
Marois R, Yi D, Chun M. The Neural Fate of Consciously Perceived and Missed Events in the Attentional Blink. Neuron 2004, 41: 465-472. PMID: 14766184, DOI: 10.1016/s0896-6273(04)00012-1.Peer-Reviewed Original ResearchConceptsParahippocampal place areaMedial temporal cortexConscious reportTemporal cortexAttentional blink paradigmStages of visionCapacity-limited stageHigh-level scene representationsFrontal cortexAttentional bottleneckAttentional blinkAttention proposeCognitive modelFace targetsPPA activationVisual processingVisual perceptionPlace areaVisual worldRapid categorizationVisual inputScene targetsScene representationInitial categorizationCortex
2001
Contextual guidance of attention
Olson I, Chun M, Allison T. Contextual guidance of attention. Brain 2001, 124: 1417-1425. PMID: 11408336, DOI: 10.1093/brain/124.7.1417.Peer-Reviewed Original ResearchConceptsVisual cortexApical dendritesPyramidal cellsEarly visual areasModulation of activityStriate cortexVisual processingExtrastriate cortexVisual areasCortexNeurophysiological studiesFeedback modulationEvent-related potentialsEarly areasV1PatientsEarly activityLater stagesAttentive searchActivityBrain