2024
Inducing representational change in the hippocampus through real-time neurofeedback
Peng K, Wammes J, Nguyen A, Iordan C, Norman K, Turk-Browne N. Inducing representational change in the hippocampus through real-time neurofeedback. Philosophical Transactions Of The Royal Society B Biological Sciences 2024, 379: 20230091. PMID: 39428880, PMCID: PMC11491844, DOI: 10.1098/rstb.2023.0091.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingReal-time functional magnetic resonance imagingPatterns of fMRI activityCategorical perception taskReal-time neurofeedbackNeurocognitive mechanismsFMRI sessionStimulus similarityFMRI activationTask demandsBehavioral consequencesUntrained objectsNeural representationPerception taskMemory integrationRepresentational changeEndogenous neuromodulatorNeurofeedbackHippocampusCortical representationIncreased coactivationMagnetic resonance imagingVisual cortexMemoryMultiple theoriesComputational reconstruction of mental representations using human behavior
Caplette L, Turk-Browne N. Computational reconstruction of mental representations using human behavior. Nature Communications 2024, 15: 4183. PMID: 38760341, PMCID: PMC11101448, DOI: 10.1038/s41467-024-48114-6.Peer-Reviewed Original ResearchConceptsMental representationsGoal of cognitive scienceVisual featuresNeural networkMultiple visual conceptsDeep neural networksConceptual representationCognitive scienceVisual conceptsSemantic spaceSemantic featuresHuman behaviorParticipantsNetworkRepresentationStimuliBehaviorFeaturesImagesComputer reconstructionTask
2023
Functional networks in the infant brain during sleep and wake states
Yates T, Ellis C, Turk-Browne N. Functional networks in the infant brain during sleep and wake states. Cerebral Cortex 2023, 33: 10820-10835. PMID: 37718160, DOI: 10.1093/cercor/bhad327.Peer-Reviewed Original ResearchConceptsFunctional connectivityMagnetic resonance imaging (MRI) scansFunctional magnetic resonance imaging (fMRI) scansWhole-brain functional connectivityResonance imaging scansInfant stateFunctional networksImaging scansAdult stateNatural sleepFunctional brain networksInfantsAwake restAwake fMRIInfant brainSleepBrain networksAdultsFrontoparietal control networkWake statesState of consciousnessDevelopmental changesBrainAutomated and manual segmentation of the hippocampus in human infants
Fel J, Ellis C, Turk-Browne N. Automated and manual segmentation of the hippocampus in human infants. Developmental Cognitive Neuroscience 2023, 60: 101203. PMID: 36791555, PMCID: PMC9957787, DOI: 10.1016/j.dcn.2023.101203.Peer-Reviewed Original ResearchConceptsManual segmentationHippocampal segmentationInter-rater reliabilityAutomated SegmentationSegmentation methodSegmentationAnatomical MRI scansEarly hippocampal developmentHead motionFreeSurfer softwareSoftwareHippocampal developmentMRI scansHippocampal structureAwake infantsInfantsHippocampusFMRI protocolAnatomical scansGold standardAdult templateHuman infantsScan qualityScansProtocol
2022
Face processing in the infant brain after pandemic lockdown
Yates T, Ellis C, Turk‐Browne N. Face processing in the infant brain after pandemic lockdown. Developmental Psychobiology 2022, 65: e22346. PMID: 36567649, PMCID: PMC9877889, DOI: 10.1002/dev.22346.Peer-Reviewed Original ResearchConceptsFusiform face areaVisual experienceInfant brainDifferent face identitiesGreater neural activityPost-lockdown groupFace processingRepetition enhancementFace identityRepetition suppressionSuppression taskFace areaNeural activitySame identityDifferent identitiesSerendipitous studyFFA responseFacePandemic lockdownCOVID-19 pandemicFMRIQuantity/qualityInfantsExperienceIdentityNeural event segmentation of continuous experience in human infants
Yates T, Skalaban L, Ellis C, Bracher A, Baldassano C, Turk-Browne N. Neural event segmentation of continuous experience in human infants. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2200257119. PMID: 36252007, PMCID: PMC9618143, DOI: 10.1073/pnas.2200257119.Peer-Reviewed Original ResearchConceptsEarly visual regionsEvent segmentationVisual regionsAdults' brain activityContinuous sensory inputFunctional MRI dataEvent cognitionNaturalistic perceptionBehavioral judgmentsInfants' segmentationEvent boundariesNeural patternsBrain activitySensory regionsContinuous experienceSimplified taskInfant brainHuman infantsAssociative regionsSensory inputTemporal integrationAwake infantsBrain regionsAdult experienceTemporal precisionIncreasing stimulus similarity drives nonmonotonic representational change in hippocampus
Wammes J, Norman KA, Turk-Browne N. Increasing stimulus similarity drives nonmonotonic representational change in hippocampus. ELife 2022, 11: e68344. PMID: 34989336, PMCID: PMC8735866, DOI: 10.7554/elife.68344.Peer-Reviewed Original ResearchConceptsRepresentational changeHigh-level visual regionsShaped functionPairs of stimuliHigh-resolution fMRIStimulus similarityVisual regionsHuman participantsHippocampal learningMemoryPlasticity hypothesisCoactivationFMRIHippocampusGyrusStimuliWide enough rangeContradictory resultsParticipantsImage similarityLearningHypothesisU-shapeSimilar imagesEnough range
2020
Statistical prediction of the future impairs episodic encoding of the present
Sherman BE, Turk-Browne NB. Statistical prediction of the future impairs episodic encoding of the present. Proceedings Of The National Academy Of Sciences Of The United States Of America 2020, 117: 22760-22770. PMID: 32859755, PMCID: PMC7502714, DOI: 10.1073/pnas.2013291117.Peer-Reviewed Original ResearchConceptsFunction of memoryEpisodic encodingSource recallEpisodic memoryUpcoming itemsStatistical learningAdaptive purposeFuture experiencesMemoryCurrent itemPast experienceBrain imagingSpecific experiencesBehavioral testsIdiosyncratic propertiesItemsFuture situationsExperienceParticular momentHippocampusRecallEncodingSimilar situationLearningSituationContent-based Dissociation of Hippocampal Involvement in Prediction
Kok P, Rait LI, Turk-Browne NB. Content-based Dissociation of Hippocampal Involvement in Prediction. Journal Of Cognitive Neuroscience 2020, 32: 527-545. PMID: 31820676, PMCID: PMC6996939, DOI: 10.1162/jocn_a_01509.Peer-Reviewed Original ResearchConceptsPredictive processingAbstract shapesDomain-general processesFemale human participantsComplexity of stimuliComplex visual objectsModality of stimuliTypes of stimuliHigh-resolution fMRIDomain-specific rolesAuditory cuesPartial cuesVisual objectsHippocampal involvementBrain activityHuman participantsDistinct representationsHippocampal responsesComputational roleHippocampal functionPrevious researchStimuliCuesUnexpected orientationSuch accounts
2019
Relating Visual Production and Recognition of Objects in Human Visual Cortex
Fan JE, Wammes JD, Gunn JB, Yamins DLK, Norman KA, Turk-Browne NB. Relating Visual Production and Recognition of Objects in Human Visual Cortex. Journal Of Neuroscience 2019, 40: 1710-1721. PMID: 31871278, PMCID: PMC7046321, DOI: 10.1523/jneurosci.1843-19.2019.Peer-Reviewed Original ResearchConceptsNeural representationVisual cortexRich perceptual informationPotential neural substratesHuman visual cortexRecognition of objectsSimple line drawingsVisual productionPerceptual representationsPerceptual discriminabilityObject cuesPerceptual experienceRecognizable drawingsPerceptual informationNeural substratesNeural mechanismsRepresentational actionsTraining studiesHuman participantsCortex participatesParietal cortexProduction of drawingsEnhanced decodingExperience influencePatterns of connectivityHippocampal-neocortical interactions sharpen over time for predictive actions
Hindy NC, Avery EW, Turk-Browne NB. Hippocampal-neocortical interactions sharpen over time for predictive actions. Nature Communications 2019, 10: 3989. PMID: 31488845, PMCID: PMC6728336, DOI: 10.1038/s41467-019-12016-9.Peer-Reviewed Original ResearchConceptsBackground connectivityAction-outcome associationsVisual cortexHigh-resolution fMRICo-occurring eventsHippocampal predictionsNeural patternsV1/V2Behavioral paradigmsAction informationPrediction changesIndiscriminate bindingGreater differentiationPredictive actionCortexHippocampusFMRIWeak associationReinstatementConnectivityAssociationParadigmOutcomesRetrievalActionComplexity Can Facilitate Visual and Auditory Perception
Ellis CT, Turk-Browne NB. Complexity Can Facilitate Visual and Auditory Perception. Journal Of Experimental Psychology Human Perception & Performance 2019, 45: 1271-1284. PMID: 31318229, PMCID: PMC6706302, DOI: 10.1037/xhp0000670.Peer-Reviewed Original ResearchConceptsPerceptual sensitivityEnhanced long-term memoryLong-term memoryMore distinctive representationsEffects of complexityAuditory perceptionMemory capacityPerceptual changesAuditory inputMemory demandsExperiment 5Experiment 3Experiment 4Experiment 1Experiment 2Informational loadMovie clipsDistinctive representationDrawing attentionImpact perceptionsRich representationSuch sensitivityPerceptionClipsChange detectionNeurofeedback helps to reveal a relationship between context reinstatement and memory retrieval
deBettencourt MT, Turk-Browne NB, Norman KA. Neurofeedback helps to reveal a relationship between context reinstatement and memory retrieval. NeuroImage 2019, 200: 292-301. PMID: 31201985, PMCID: PMC7034791, DOI: 10.1016/j.neuroimage.2019.06.001.Peer-Reviewed Original ResearchConceptsContext reinstatementMental context reinstatementBrain-behavior relationshipsMemory retrievalMultivariate pattern classifierTask-irrelevant imagesRole of neurofeedbackFree recall testList of wordsExpense of memoryMemory positReinstated contextRecall testWorse recallMemory recallMental contextBetter recallNeurofeedbackReinstatementRecallContext imagesWordsSame contextSecond experimentDifferent contextsFocusing on what matters: Modulation of the human hippocampus by relational attention
Córdova NI, Turk‐Browne N, Aly M. Focusing on what matters: Modulation of the human hippocampus by relational attention. Hippocampus 2019, 29: 1025-1037. PMID: 30779473, PMCID: PMC6699927, DOI: 10.1002/hipo.23082.Peer-Reviewed Original ResearchConceptsRelational processingOnline perceptionHippocampal episodic memoryMultivariate pattern analysisLong-term memoryStable hippocampal representationsEpisodic memoryUnivariate activityRelative spatial positionRobust deactivationRelational tasksTemporal tasksTemporal relationsRelational attentionHippocampal representationsItem taskItem processingRelational informationSpatial positionTemporal orderSpatiotemporal contextPattern similarityHuman hippocampusTaskRelational computations
2018
Associative Prediction of Visual Shape in the Hippocampus
Kok P, Turk-Browne NB. Associative Prediction of Visual Shape in the Hippocampus. Journal Of Neuroscience 2018, 38: 6888-6899. PMID: 29986875, PMCID: PMC6070666, DOI: 10.1523/jneurosci.0163-18.2018.Peer-Reviewed Original ResearchConceptsAssociative predictionAuditory cuesVisual shapesVisual cortexSensory systemsFemale human participantsHigh-resolution fMRI signalsAspects of cognitionCross-modal associationsHuman brainProcess of inferenceHippocampal predictionsPerceptual processingHuman participantsPrior expectationsVisual informationMemory systemNeural activitySensory cortexFMRI signalsCuesMemoryCorresponding objectsPerceptionCortexAttending to What and Where: Background Connectivity Integrates Categorical and Spatial Attention
Tompary A, Al-Aidroos N, Turk-Browne NB. Attending to What and Where: Background Connectivity Integrates Categorical and Spatial Attention. Journal Of Cognitive Neuroscience 2018, 30: 1281-1297. PMID: 29791296, PMCID: PMC6570400, DOI: 10.1162/jocn_a_01284.Peer-Reviewed Original ResearchConceptsAttentional modulationSpatial attentionRetinotopic areasVisual areasGoal-relevant informationCategory-selective regionsVentral temporal cortexVisual cortexEarly visual cortexCategory-selective areasPattern of resultsAttentional goalsFeatural componentsAttentional componentsNeural basisBackground connectivityBehavioral goalsFrontoparietal areasSpatial selectionFunctional connectivityTemporal cortexSelective regionsExploratory analysisMost researchCortex
2017
Noise correlations in the human brain and their impact on pattern classification
Bejjanki VR, da Silveira RA, Cohen JD, Turk-Browne NB. Noise correlations in the human brain and their impact on pattern classification. PLOS Computational Biology 2017, 13: e1005674. PMID: 28841641, PMCID: PMC5589258, DOI: 10.1371/journal.pcbi.1005674.Peer-Reviewed Original ResearchHippocampal Structure Predicts Statistical Learning and Associative Inference Abilities during Development
Schlichting ML, Guarino KF, Schapiro AC, Turk-Browne NB, Preston AR. Hippocampal Structure Predicts Statistical Learning and Associative Inference Abilities during Development. Journal Of Cognitive Neuroscience 2017, 29: 37-51. PMID: 27575916, PMCID: PMC5130612, DOI: 10.1162/jocn_a_01028.Peer-Reviewed Original ResearchConceptsAssociative structureStatistical learningEpisodic memory systemSuperior behavioral performanceHypothesized roleHippocampal long axisHippocampal headDissociable patternsIndividual differencesBehavioral performanceDevelopmental sampleInference abilityMemory systemInference tasksAge 6Hippocampal structureTaskHippocampal developmentHippocampal axisGeneralized codeLearningAge rangeAdulthoodAbilityChildhood
2016
Attentional modulation of background connectivity between ventral visual cortex and the medial temporal lobe
Córdova NI, Tompary A, Turk-Browne NB. Attentional modulation of background connectivity between ventral visual cortex and the medial temporal lobe. Neurobiology Of Learning And Memory 2016, 134: 115-122. PMID: 27321163, PMCID: PMC5018439, DOI: 10.1016/j.nlm.2016.06.011.Peer-Reviewed Original ResearchConceptsMedial temporal lobeVisual cortexTemporal lobeGoal-relevant informationCurrent behavioral goalsVentral visual cortexAttentional mechanismsAttentional modulationBackground connectivityNeural responsesBehavioral goalsPerirhinal cortexParahippocampal cortexVisual informationMemory systemSensory signalsSimilar modulationBehavioral effectsPowerful effectKind of informationCortexSuch modulationLearningAttentionFMRIWhen past is present: Substitutions of long-term memory for sensory evidence in perceptual judgments
Fan JE, Hutchinson JB, Turk-Browne NB. When past is present: Substitutions of long-term memory for sensory evidence in perceptual judgments. Journal Of Vision 2016, 16: 1-1. PMID: 27248565, PMCID: PMC4898202, DOI: 10.1167/16.8.1.Peer-Reviewed Original Research