2023
Hippocampal Mechanisms Support Cortisol-Induced Memory Enhancements
Sherman B, Harris B, Turk-Browne N, Sinha R, Goldfarb E. Hippocampal Mechanisms Support Cortisol-Induced Memory Enhancements. Journal Of Neuroscience 2023, 43: 7198-7212. PMID: 37813570, PMCID: PMC10601369, DOI: 10.1523/jneurosci.0916-23.2023.Peer-Reviewed Original ResearchMeSH KeywordsBrainEmotionsFemaleHippocampusHumansHydrocortisoneMagnetic Resonance ImagingMaleMemory, EpisodicConceptsFunctional magnetic resonance imagingMemory enhancementEpisodic memoryAssociative memoryEpisodic memory encodingBrain regionsHigh-resolution functional magnetic resonance imagingHuman hippocampusHigh-resolution fMRIStress-related hormone cortisolHormone cortisolMemory benefitsEmotional memoryMemory encodingEmotional eventsEmotional associationsHippocampal representationsHippocampal signaturesFunctional neuroimagingHippocampal mechanismsStressful eventsFunctional connectivityHippocampal functionMemory formationSalient informationPerception and memory retrieval states are reflected in distributed patterns of background functional connectivity
Li Y, Wang Y, Turk-Browne N, Kuhl B, Hutchinson J. Perception and memory retrieval states are reflected in distributed patterns of background functional connectivity. NeuroImage 2023, 276: 120221. PMID: 37290674, PMCID: PMC10484747, DOI: 10.1016/j.neuroimage.2023.120221.Peer-Reviewed Original ResearchMeSH KeywordsBrainBrain MappingHumansMagnetic Resonance ImagingMemoryMemory, EpisodicNeural PathwaysNeuroimagingPerceptionConceptsDefault mode networkMemory retrievalCognitive stateRetrieval statesRetrosplenial cortexFunctional connectivityDistinct neural statesTarget of perceptionLarge-scale brain networksControl networkHuman neuroimaging studiesSame visual inputPerception statesCognitive processingBackground connectivityHuman fMRIVisual stimuliNeuroimaging studiesBrain networksMode networkNeural statesVisual inputNeural activityPatterns of connectivityPerception
2022
Temporal Dynamics of Competition between Statistical Learning and Episodic Memory in Intracranial Recordings of Human Visual Cortex
Sherman B, Graves K, Huberdeau D, Quraishi I, Damisah E, Turk-Browne N. Temporal Dynamics of Competition between Statistical Learning and Episodic Memory in Intracranial Recordings of Human Visual Cortex. Journal Of Neuroscience 2022, 42: 9053-9068. PMID: 36344264, PMCID: PMC9732826, DOI: 10.1523/jneurosci.0708-22.2022.Peer-Reviewed Original ResearchConceptsVisual cortexStatistical learningIntracranial recordingsStatistical learning taskBehavioural Memory TestMultivariate pattern analysisLong-term memoryExpense of memoryEncoding of informationHuman visual cortexStorage of experienceNew experiencesEpisodic memoryMemory researchMemory testFrequency taggingRapid streamGuide behaviorLearning taskNew predictive relationshipNeural predictionHuman intracranial EEGWeak expectationsNeural activityMemory formation
2021
Evidence 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 ResearchMeSH KeywordsGeneralization, PsychologicalHippocampusHumansInfantLearningMagnetic Resonance ImagingMemory, EpisodicConceptsStatistical learningHuman infantsTask-based fMRIMedial prefrontal cortexHuman memoryVisual sequencesDurable memoriesMemory capacityMemory integrationAnterior hippocampusHippocampal activityPrefrontal cortexVital abilityTemporal orderHippocampal learningEarly childhoodLearningMemoryMonosynaptic pathwayTrisynaptic pathwayHippocampusInfantsYounger agePosterior divisionFunctional activity
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 situationLearningSituation
2019
Focusing 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 ResearchMeSH KeywordsAdultAttentionFemaleHippocampusHumansMaleMemory, EpisodicPhotic StimulationPsychomotor PerformanceSpace PerceptionYoung AdultConceptsRelational 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
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 variablesLapseConsequencesFindingsComplementary learning systems within the hippocampus: a neural network modelling approach to reconciling episodic memory with statistical learning
Schapiro AC, Turk-Browne NB, Botvinick MM, Norman KA. Complementary learning systems within the hippocampus: a neural network modelling approach to reconciling episodic memory with statistical learning. Philosophical Transactions Of The Royal Society B Biological Sciences 2017, 372: 20160049. PMID: 27872368, PMCID: PMC5124075, DOI: 10.1098/rstb.2016.0049.Peer-Reviewed Original ResearchConceptsStatistical learningRapid learningComplementary learning systems theoryComplementary learning systemsSequence of itemsEpisodic memoryIndividual episodesCognitive scienceAssociative reactivationTemporal regularityApparent representationIndividual experiencesNeural network modelling approachNeural network modelLearningLearning systemAnatomical pathwaysHippocampusSystems theoryHippocampal projectionsRegion CA1MemoryNetwork modelMemorizationExperience