ArticleScience advances2024
Selective reactivation of value- and place-dependent information during sharp-wave ripples in the intermediate and dorsal hippocampus.
Article in Science advances, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Distinct goal location beta frequency dynamics in hippocampus and prefrontal cortex across learning.bioRxiv : the preprint server for biology · 2026Article
- Long-Term Memory Updating Parallels Altered Awake and Sleep Hippocampal Replays.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
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3 authors.
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Abstract
Reactivating place cells during sharp-wave ripples in the hippocampus is important for memory consolidation. However, whether hippocampal reactivation is affected by the values of events experienced by the animal is largely unknown. Here, we investigated whether place cells in the dorsal (dHP) and intermediate hippocampus (iHP) of rats are differentially reactivated depending on the value associated with a place during the learning of places associated with higher-value rewards in a T-maze. Place cells in the iHP representing the high-value location were reactivated significantly more frequently than those representing the low-value location, characteristics not observed in the dHP. In contrast, the activities of place cells in the dHP coding the routes leading to high-value locations were replayed more than those in the iHP. Our findings suggest that value-based differential reactivation patterns along the septotemporal axis of the hippocampus may play essential roles in optimizing goal-directed spatial learning for maximal reward.
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