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 ResearchMeSH KeywordsAdultFemaleHippocampusHumansMagnetic Resonance ImagingMaleMemoryNeurofeedbackVisual CortexYoung AdultConceptsFunctional 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
2022
Increasing 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
Finding the Pattern: On-Line Extraction of Spatial Structure During Virtual Navigation
Graves KN, Antony JW, Turk-Browne NB. Finding the Pattern: On-Line Extraction of Spatial Structure During Virtual Navigation. Psychological Science 2020, 31: 1183-1190. PMID: 32853531, PMCID: PMC7542246, DOI: 10.1177/0956797620948828.Peer-Reviewed Original ResearchContent-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
Learning Naturalistic Temporal Structure in the Posterior Medial Network
Aly M, Chen J, Turk-Browne NB, Hasson U. Learning Naturalistic Temporal Structure in the Posterior Medial Network. Journal Of Cognitive Neuroscience 2018, 30: 1345-1365. PMID: 30004848, PMCID: PMC6211568, DOI: 10.1162/jocn_a_01308.Peer-Reviewed Original ResearchAttending 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 researchCortexNeural Overlap in Item Representations Across Episodes Impairs Context Memory
Kim G, Norman KA, Turk-Browne NB. Neural Overlap in Item Representations Across Episodes Impairs Context Memory. Cerebral Cortex 2018, 29: 2682-2693. PMID: 29897407, PMCID: PMC6519698, DOI: 10.1093/cercor/bhy137.Peer-Reviewed Original ResearchMeSH KeywordsBrainFemaleHumansMagnetic Resonance ImagingMaleMental RecallNeuroimagingRecognition, PsychologyYoung AdultConceptsSubsequent source memorySource memoryContext memoryInitial contextBetter source memoryNovel contextual informationLateral occipital cortexNeural overlapRepresentational similarityNeural representationNeural patternsFMRI studyItem representationsSecond presentationLater retrievalDifferent tasksMemorySame itemsOccipital cortexInitial taskPattern similaritySuch reactivationInitial itemsNovel experienceContextual information
2017
Forgetting from lapses of sustained attention
deBettencourt MT, Norman KA, Turk-Browne NB. Forgetting from lapses of sustained attention. Psychonomic Bulletin & Review 2017, 25: 605-611. PMID: 28585055, PMCID: PMC5716934, DOI: 10.3758/s13423-017-1309-5.Peer-Reviewed Original ResearchConceptsSubsequent memoryAttentional stateSustained attentionSustained attention indexResponse time indexAttention indexExperiment 1Experiment 2Inferential utilityPredictive relationshipMemoryDownstream consequencesCausal interpretationAttentionAdaptive experimental designItemsExperimental designTaskRelationshipIndependent variablesLapseConsequencesFindingsNeural Differentiation of Incorrectly Predicted Memories
Kim G, Norman KA, Turk-Browne NB. Neural Differentiation of Incorrectly Predicted Memories. Journal Of Neuroscience 2017, 37: 2022-2031. PMID: 28115478, PMCID: PMC5338753, DOI: 10.1523/jneurosci.3272-16.2017.Peer-Reviewed Original ResearchConceptsNeural representationPrevious contextTarget memoryBOLD activity patternsGreater neural differentiationMemory representationsHuman fMRIMemory weakeningTrial fashionSubsequent restudySuch memoriesIndividual memoryNeural network simulationMemoryControl conditionFMRIComputational modelItemsPrediction strengthRestudyNeural connectionsPrediction errorMore differentiationParticular contextRepresentationHippocampal 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 ResearchIncidental Biasing of Attention From Visual Long-Term Memory
Fan JE, Turk-Browne NB. Incidental Biasing of Attention From Visual Long-Term Memory. Journal Of Experimental Psychology Learning Memory And Cognition 2016, 42: 970-977. PMID: 26618914, PMCID: PMC4885797, DOI: 10.1037/xlm0000209.Peer-Reviewed Original ResearchLinking pattern completion in the hippocampus to predictive coding in visual cortex
Hindy NC, Ng FY, Turk-Browne NB. Linking pattern completion in the hippocampus to predictive coding in visual cortex. Nature Neuroscience 2016, 19: 665-667. PMID: 27065363, PMCID: PMC4948994, DOI: 10.1038/nn.4284.Peer-Reviewed Original Research