Hippocampal-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 associationReinstatementConnectivityAssociationParadigmOutcomesRetrievalActionNonmonotonic 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