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Discovering Event Structure in Continuous Narrative Perception and Memory

Author(s): Baldassano, Christopher; Chen, Janice; Zadbood, Asieh; Pillow, Jonathan W.; Hasson, Uri; et al

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dc.contributor.authorBaldassano, Christopher-
dc.contributor.authorChen, Janice-
dc.contributor.authorZadbood, Asieh-
dc.contributor.authorPillow, Jonathan W.-
dc.contributor.authorHasson, Uri-
dc.contributor.authorNorman, Kenneth A.-
dc.identifier.citationBaldassano, Christopher, Chen, Janice, Zadbood, Asieh, Pillow, Jonathan W, Hasson, Uri, Norman, Kenneth A. (2017). Discovering Event Structure in Continuous Narrative Perception and Memory. Neuron, 95 (3), 709 - 721.e5. doi:10.1016/j.neuron.2017.06.041en_US
dc.description.abstractDuring realistic, continuous perception, humans automatically segment experiences into discrete events. Using a novel model of cortical event dynamics, we investigate how cortical structures generate event representations during narrative perception, and how these events are stored to and retrieved from memory. Our data-driven approach allows us to detect event boundaries as shifts between stable patterns of brain activity without relying on stimulus annotations, and reveals a nested hierarchy from short events in sensory regions to long events in high-order areas (including angular gyrus and posterior medial cortex), which represent abstract, multimodal situation models. High-order event boundaries are coupled to increases in hippocampal activity, which predict pattern reinstatement during later free recall. These areas also show evidence of anticipatory reinstatement as subjects listen to a familiar narrative. Based on these results, we propose that brain activity is naturally structured into nested events, which form the basis of long-term memory representations.en_US
dc.format.extent709 - 721.e5en_US
dc.rightsAuthor's manuscripten_US
dc.titleDiscovering Event Structure in Continuous Narrative Perception and Memoryen_US
dc.typeJournal Articleen_US

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