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 theoriesA neural network model of differentiation and integration of competing memories
Ritvo V, Nguyen A, Turk-Browne N, Norman K. A neural network model of differentiation and integration of competing memories. ELife 2024, 12: rp88608. PMID: 39319791, PMCID: PMC11424095, DOI: 10.7554/elife.88608.Peer-Reviewed Original ResearchConceptsNeural network modelUnsupervised neural network modelUnsupervised learning mechanismLearning mechanismLearning modelsNetwork modelComputational explanationInactive memoryNeural representationActive competitorsDiverse setRepresentationMemoryRepresentation of memoryMemory literatureBrain regionsNovel predictionsA neural network model of differentiation and integration of competing memories
Ritvo V, Nguyen A, Turk-Browne N, Norman K. A neural network model of differentiation and integration of competing memories. ELife 2024, 12 DOI: 10.7554/elife.88608.3.Peer-Reviewed Original ResearchNeural network modelUnsupervised neural network modelUnsupervised learning mechanismLearning mechanismLearning modelsNetwork modelComputational explanationInactive memoryNeural representationActive competitorsDiverse setRepresentationMemoryRepresentation of memoryMemory literatureBrain regionsNovel predictionsAcute Stress Effects on Statistical Learning and Episodic Memory
Sherman B, Huang I, Wijaya E, Turk-Browne N, Goldfarb E. Acute Stress Effects on Statistical Learning and Episodic Memory. Journal Of Cognitive Neuroscience 2024, 36: 1741-1759. PMID: 38713878, PMCID: PMC11223726, DOI: 10.1162/jocn_a_02178.Peer-Reviewed Original ResearchEpisodic memoryAcute stressStatistical learningEffects of acute stressStress-induced cortisol levelsImpaired episodic memoryModulate learning processesAcute stress effectsImpact hippocampal functionEpisodic encodingRodent workEvidence of learningHippocampal functionStress effectsHippocampal pathwaysLearning tasksBehavioral experimentsPreliminary evidenceCortisol levelsNo stressMemoryMultiple measuresHippocampusScene categoriesParticipantsAttention and Memory
Sherman B, Turk-Browne N. Attention and Memory. 2024, 587-613. DOI: 10.1093/oxfordhb/9780190917982.013.21.Peer-Reviewed Original ResearchControl of attentionWorking memoryBrain systemsEpisodic memoryMemory encodingAttentional selectionConscious awarenessAbstract AttentionComplex sensory inputMemoryBehavioral mechanismsSensory inputPervasive roleDownstream consequencesBidirectional interactionsPerceptionModulation processAttentionHuman perceptionMindfulnessBrainVigilanceCurrent environmentEncodingRetrieval
2023
Multiple Memory Subsystems: Reconsidering Memory in the Mind and Brain
Sherman B, Turk-Browne N, Goldfarb E. Multiple Memory Subsystems: Reconsidering Memory in the Mind and Brain. Perspectives On Psychological Science 2023, 19: 103-125. PMID: 37390333, PMCID: PMC10756937, DOI: 10.1177/17456916231179146.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsMemory representationsDistinct brain systemsLong-term memoryBrain structuresCross-species findingsSame brain structuresMemory-related structuresMemory researchBrain systemsMemory typesMemory organizationMemoryFuture researchOrganizational principlesClassic theoryMemory subsystemNovel perspectiveRepresentationAmygdalaResearchRecent workLearningMindTheoryDistinct typesAssociative memory retrieval modulates upcoming perceptual decisions
Bornstein A, Aly M, Feng S, Turk-Browne N, Norman K, Cohen J. Associative memory retrieval modulates upcoming perceptual decisions. Cognitive, Affective, & Behavioral Neuroscience 2023, 23: 645-665. PMID: 37316611, DOI: 10.3758/s13415-023-01092-6.Peer-Reviewed Original ResearchConceptsPerceptual decisionsSensory evidencePerceptual decision taskAssociative memory retrievalStimulus-stimulus pairingFormal model comparisonMemory reinstatementSensory inferenceMemory retrievalDecision taskSensory informationMemoryParticipants' responsesAccurate decisionsPattern analysisSpecific contentParticipantsRelative reliabilityExpectationsModel comparisonDynamic inferenceCuesReinstatementTaskImage stream
2022
Spatial Gist Extraction During Human Memory Consolidation
Antony JW, Stiver CA, Graves KN, Osborne J, Turk-Browne NB, Bennion KA. Spatial Gist Extraction During Human Memory Consolidation. Journal Of Experimental Psychology Learning Memory And Cognition 2022, 48: 929-941. PMID: 34323577, DOI: 10.1037/xlm0000894.Peer-Reviewed Original ResearchConceptsGist-like representationsMemory consolidationHuman memory consolidationExplicit memoryObject exemplarsGist extractionDistributional learningHuman learningVivid memoriesExperiment 3Virtual mazeExperiment 1Spatial navigationExperiment 2Explicit testsHidden objectBehavioral experimentsMemoryTemporal dynamicsRepresentation increasesNavigation performanceLearningRepresentationConsolidationHuman subjectsIncreasing 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
2021
The promise of awake behaving infant fMRI as a deep measure of cognition
Yates T, Ellis C, Turk-Browne N. The promise of awake behaving infant fMRI as a deep measure of cognition. Current Opinion In Behavioral Sciences 2021, 40: 5-11. DOI: 10.1016/j.cobeha.2020.11.007.Peer-Reviewed Original ResearchEvidence of hippocampal learning in human infants
Ellis CT, Skalaban LJ, Yates TS, Bejjanki VR, Córdova NI, Turk-Browne NB. Evidence of hippocampal learning in human infants. Current Biology 2021, 31: 3358-3364.e4. PMID: 34022155, DOI: 10.1016/j.cub.2021.04.072.Peer-Reviewed Original ResearchConceptsStatistical learningHuman infantsTask-based fMRIMedial prefrontal cortexHuman memoryVisual sequencesDurable memoriesMemory capacityMemory integrationAnterior hippocampusHippocampal activityPrefrontal cortexVital abilityTemporal orderHippocampal learningEarly childhoodLearningMemoryMonosynaptic pathwayTrisynaptic pathwayHippocampusInfantsYounger agePosterior divisionFunctional activityVisuomotor associations facilitate movement preparation.
Huberdeau DM, Turk-Browne NB. Visuomotor associations facilitate movement preparation. Journal Of Experimental Psychology Human Perception & Performance 2021, 47: 372-386. PMID: 33475417, PMCID: PMC8384084, DOI: 10.1037/xhp0000895.Peer-Reviewed Original ResearchConceptsPerceptual cuesMovement preparationMovement goalsStatistical learningVisuomotor associationsEpisodic memoryMemory recallComplexity of associationsExperiment 1Experiment 2Motor skillsMemory systemCuesRequirements of movementMovement taskAdditional practiceMotor behaviorLearningRate of improvementParticipantsMemoryRecallTaskSkillsGoalChapter 5 Studying episodic memory using real-time fMRI
Wammes J, Lin Q, Norman K, Turk-Browne N. Chapter 5 Studying episodic memory using real-time fMRI. 2021, 107-130. DOI: 10.1016/b978-0-12-822421-2.00011-9.ChaptersEpisodic memoryReal-time functional magnetic resonance imagingFunctional magnetic resonance imagingLong-term memoryReal-time fMRIUnique theoretical insightsHuman memoryNeural mechanismsCognitive functionBrain statesRtfMRIMemoryCorrelational approachIndividual experiencesHuman brainFuture researchMagnetic resonance imagingEmotionsTheoretical insightsFMRICausal relationshipNascent fieldExperienceEncodingPerception
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 situationLearningSituationFunctions of ventral visual cortex after bilateral medial temporal lobe damage
Kim JG, Gregory E, Landau B, McCloskey M, Turk-Browne NB, Kastner S. Functions of ventral visual cortex after bilateral medial temporal lobe damage. Progress In Neurobiology 2020, 191: 101819. PMID: 32380224, PMCID: PMC7368375, DOI: 10.1016/j.pneurobio.2020.101819.Peer-Reviewed Original ResearchConceptsMedial temporal lobePerceptual memoryVisual cortexBilateral medial temporal lobe damageMedial temporal lobe damageVentral visual cortexTemporal lobe damageVisual cortex relativeExtensive bilateral lesionsAmnesic patientsLong delayMTL structuresNovel stimuliAdaptation effectsStimuli elicitRapid learningVisual areasMemory systemSingle experienceCortex relativeVisual systemTemporal lobeHippocampal lossStimuliMemoryThe prevalence and importance of statistical learning in human cognition and behavior
Sherman BE, Graves KN, Turk-Browne NB. The prevalence and importance of statistical learning in human cognition and behavior. Current Opinion In Behavioral Sciences 2020, 32: 15-20. PMID: 32258249, PMCID: PMC7108790, DOI: 10.1016/j.cobeha.2020.01.015.Peer-Reviewed Original ResearchStatistical learningHuman cognitionStatistical learning researchRange of tasksEpisodic memoryLearning phenomenonSpatial navigationHuman behaviorLearning domainsLearning researchCognitionLearningPervasive roleMemoryTaskBehaviorAdulthoodUnrelated processesInfancyContextImportant contributorResearchAbility
2019
The hippocampus as a visual area organized by space and time: A spatiotemporal similarity hypothesis
Turk-Browne NB. The hippocampus as a visual area organized by space and time: A spatiotemporal similarity hypothesis. Vision Research 2019, 165: 123-130. PMID: 31734633, PMCID: PMC6881556, DOI: 10.1016/j.visres.2019.10.007.Peer-Reviewed Original ResearchConceptsVision scienceMemory systemVisual systemVentral visual streamHippocampal memory systemRelational bindingEpisodic memoryVisual streamVisual expectationsHippocampal mechanismsPattern separationVisual areasStatistical learningSimilarity hypothesisVisual representationComputational functionsBrief primerHippocampusCertain aspectsMemoryHypothesisLearningUnique formCircuityScienceNonmonotonic Plasticity: How Memory Retrieval Drives Learning
Ritvo VJH, Turk-Browne NB, Norman KA. Nonmonotonic Plasticity: How Memory Retrieval Drives Learning. Trends In Cognitive Sciences 2019, 23: 726-742. PMID: 31358438, PMCID: PMC6698209, DOI: 10.1016/j.tics.2019.06.007.Peer-Reviewed Original ResearchConceptsRecent fMRI studiesFunction of learningMemory retrievalMemory causesNeural representationFMRI studyInactive memorySame associatesSupervised learning modelDifferent stimuliLearningLearning modelStimuliNumerous findingsSame outcomeUnsupervised learningMemoryFindingsRetrievalOutcomesRepresentationIntegrationActivation causes
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 objectsPerceptionCortexNeural 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 ResearchConceptsSubsequent 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