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      Interplay of the long axis of the hippocampus and ventromedial prefrontal cortex in schema-related memory retrieval.

      1 , 1
      Hippocampus
      Wiley
      anterior hippocampus, memory retrieval, posterior hippocampus, schema, vmPFC

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          Abstract

          When new information is relevant to prior knowledge or schema, it can be learned and remembered better. Rodent studies have suggested that the hippocampus and ventromedial prefrontal cortex (vmPFC) are important for processing schema-related information. However, there are inconsistent findings from human studies on the involvement of the hippocampus and its interaction with the vmPFC in schema-related memory retrieval. To address these issues, we used a human analog of the rodent spatial schema task to compare brain activity during immediate retrieval of paired associations (PAs) in schema-consistent and schema-inconsistent conditions. The results showed that the anterior hippocampus was more involved in retrieving PAs in the schema-consistent condition than in the schema-inconsistent condition. Connectivity analyses showed that the anterior hippocampus had stronger coupling with the vmPFC when the participants retrieved newly learned PAs successfully in the schema-consistent (vs. schema-inconsistent) condition, whereas the coupling of the posterior hippocampus with the vmPFC showed the opposite. Taken together, the results shed light on how the long axis of the hippocampus and vmPFC interact to serve memory retrieval via different networks that differ by schema condition.

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          Author and article information

          Journal
          Hippocampus
          Hippocampus
          Wiley
          1098-1063
          1050-9631
          March 2020
          : 30
          : 3
          Affiliations
          [1 ] School of Psychological and Cognitive Sciences, Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing, China.
          Article
          10.1002/hipo.23154
          31490611
          9ff87206-ff12-4cbc-9c8c-a52738b03c68
          © 2019 Wiley Periodicals, Inc.
          History

          anterior hippocampus,memory retrieval,posterior hippocampus,schema,vmPFC

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