2024
A 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 predictions
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 ResearchConceptsFunctional 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 information
2022
Neural 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 precision
2021
Attention recruits frontal cortex in human infants
Ellis CT, Skalaban LJ, Yates TS, Turk-Browne NB. Attention recruits frontal cortex in human infants. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2021474118. PMID: 33727420, PMCID: PMC7999871, DOI: 10.1073/pnas.2021474118.Peer-Reviewed Original ResearchConceptsFunctional magnetic resonance imagingEvent-related functional magnetic resonance imagingOrienting of attentionAllocation of attentionInfant attentionInvalid trialsBrief cueUpcoming targetValid trialsFMRI activityInfants' fixationsTrial typesSalient eventsNeural effectsAttention networkFrontal regionsInfant brainHuman infantsParietal lobeBrain regionsFrontal cortexYoung infantsCuesInfant ageAttention
2020
Emergence and organization of adult brain function throughout child development
Yates TS, Ellis CT, Turk-Browne NB. Emergence and organization of adult brain function throughout child development. NeuroImage 2020, 226: 117606. PMID: 33271266, PMCID: PMC8323508, DOI: 10.1016/j.neuroimage.2020.117606.Peer-Reviewed Original ResearchConceptsFMRI activityDevelopmental trajectoriesAdult cognitive neuroscienceInferior frontal gyrusLateral occipital cortexPain-related eventsCognitive neuroscienceFrontal gyrusFunctional neuroanatomyDevelopmental differencesChild developmentAge-related changesCognitive functionDifferent brain regionsSame movieHuman brain developmentNaturalistic approachOccipital cortexBrain regionsAdult brain functionBrain functionChronological ageYoung childrenBrain developmentBrain space
2010
Implicit Perceptual Anticipation Triggered by Statistical Learning
Turk-Browne NB, Scholl BJ, Johnson MK, Chun MM. Implicit Perceptual Anticipation Triggered by Statistical Learning. Journal Of Neuroscience 2010, 30: 11177-11187. PMID: 20720125, PMCID: PMC2947492, DOI: 10.1523/jneurosci.0858-10.2010.Peer-Reviewed Original ResearchConceptsStatistical learningPerceptual anticipationPredictive stimuliStatistical regularitiesRapid event-related fMRIUnrelated cognitive taskEvent-related fMRIVentral visual cortexAdditional brain regionsRight anterior hippocampusGreater hemodynamic responseUnsupervised statistical learningBehavioral primingCognitive tasksImplicit anticipationOngoing perceptionAnterior hippocampusParietal cortexSequential contingenciesObject recognitionHuman observersVisual imagesBrain regionsHemodynamic responseVisual cortexFace-Specific Resting Functional Connectivity between the Fusiform Gyrus and Posterior Superior Temporal Sulcus
Turk-Browne NB, Norman-Haignere SV, McCarthy G. Face-Specific Resting Functional Connectivity between the Fusiform Gyrus and Posterior Superior Temporal Sulcus. Frontiers In Human Neuroscience 2010, 4: 176. PMID: 21151362, PMCID: PMC2995581, DOI: 10.3389/fnhum.2010.00176.Peer-Reviewed Original ResearchPosterior superior temporal sulcusSuperior temporal sulcusFusiform gyrusTemporal sulcusFunctional connectivityFace-processing networkFunctional connectivity approachFace processingFace stimuliVisual processingSpecific brain regionsBOLD timeseriesTask processingProcessing networkVisual inputConnectivity approachBrain regionsGyrusPeriods of restSulcusProcessingPattern analysisAdditional regionsFaceFMRI
2008
Babies and brains: habituation in infant cognition and functional neuroimaging
Turk-Browne NB, Scholl BJ, Chun MM. Babies and brains: habituation in infant cognition and functional neuroimaging. Frontiers In Human Neuroscience 2008, 2: 16. PMID: 19104669, PMCID: PMC2605404, DOI: 10.3389/neuro.09.016.2008.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsInfant cognitionStimulus presentationFunctional neuroimagingNature of habituationForm of habituationStudy of habituationAdult cognitionPreverbal infantsNeural basisLooking timeNeural mechanismsCognitionBrain regionsHabituationStimuliNeuroimagingProminent studiesHemodynamic responseFMRIGreat dealPerceptionMindInfantsNovel insightsPresentationNeural predictors of moment-to-moment fluctuations in cognitive flexibility
Leber AB, Turk-Browne NB, Chun MM. Neural predictors of moment-to-moment fluctuations in cognitive flexibility. Proceedings Of The National Academy Of Sciences Of The United States Of America 2008, 105: 13592-13597. PMID: 18757744, PMCID: PMC2527350, DOI: 10.1073/pnas.0805423105.Peer-Reviewed Original ResearchConceptsCognitive flexibilityCrucial human abilityTask-switching procedureDistinct neural mechanismsPosterior parietal cortexAnterior cingulate cortexNeural mechanismsTask challengeHuman abilityNeural predictorsPrefrontal cortexPerson's degreeCingulate cortexParietal cortexNeural activityMoment fluctuationsBrain regionsCortexTaskBasal gangliaFMRIEfficient adaptationFlexibilityIndependent sourcesPredictors
2006
Visual Quality Determines the Direction of Neural Repetition Effects
Turk-Browne N, Yi DJ, Leber, Chun M. Visual Quality Determines the Direction of Neural Repetition Effects. Cerebral Cortex 2006, 17: 425-433. PMID: 16565294, DOI: 10.1093/cercor/bhj159.Peer-Reviewed Original ResearchConceptsVentral visual areasRepetition effectsVisual areasNovel stimuliMagnetic resonance imaging studyBlood oxygen level-dependent (BOLD) responseFunctional magnetic resonance imaging studyResonance imaging studySame brain regionsNeural repetition effectsGreater BOLD responseLevel-dependent responsesRepetition attenuationBrain regionsImaging studiesPerceptual representationsRepetition enhancementLow-contrast scenesBehavioral performanceNeurophysiological studiesDegraded inputBOLD responseLow responseVisual thresholdExact opposite effect