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- W2920796898 abstract "Two primary functions attributed to the hippocampus and prefrontal cortex (PFC) network are retaining the temporal and spatial associations of events and detecting deviant events. It is unclear, however, how these two functions converge into one mechanism. Here, we tested whether increased activity with perceiving salient events is a deviant detection signal or contains information about the event associations by reflecting the magnitude of deviance (i.e., event saliency). We also tested how the deviant detection signal is affected by the degree of anticipation. We studied regional neural activity when people watched a movie that had varying saliency of a novel or an anticipated flow of salient events. Using intracranial electroencephalography from 10 patients, we observed that high-frequency activity (50-150 Hz) in the hippocampus, dorsolateral PFC, and medial OFC tracked event saliency. We also observed that medial OFC activity was stronger when the salient events were anticipated than when they were novel. These results suggest that dorsolateral PFC and medial OFC, as well as the hippocampus, signify the saliency magnitude of events, reflecting the hierarchical structure of event associations." @default.
- W2920796898 created "2019-03-22" @default.
- W2920796898 creator A5004970789 @default.
- W2920796898 creator A5016017667 @default.
- W2920796898 creator A5019518085 @default.
- W2920796898 creator A5039414463 @default.
- W2920796898 date "2019-06-01" @default.
- W2920796898 modified "2023-10-03" @default.
- W2920796898 title "Medial Orbitofrontal Cortex, Dorsolateral Prefrontal Cortex, and Hippocampus Differentially Represent the Event Saliency" @default.
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- W2920796898 doi "https://doi.org/10.1162/jocn_a_01392" @default.
- W2920796898 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6941931" @default.
- W2920796898 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/30883290" @default.
- W2920796898 hasPublicationYear "2019" @default.
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