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
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 ResearchConceptsStatistical learningHuman infantsTask-based fMRIMedial prefrontal cortexHuman memoryVisual sequencesDurable memoriesMemory capacityMemory integrationAnterior hippocampusHippocampal activityPrefrontal cortexVital abilityTemporal orderHippocampal learningEarly childhoodLearningMemoryMonosynaptic pathwayTrisynaptic pathwayHippocampusInfantsYounger agePosterior divisionFunctional activity