Nature Neuroscience, Published online: 29 July 2026; doi:10.1038/s41593-026-02357-2In macaques, old memories, relative to new ones, are supported by more stable and interconnected cell assemblies. New-biased and old-biased assemblies reactivate during overnight sleep and can sometimes reactivate together, suggesting a mechanism for balancing new learning with memory linking and durability.


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This post is Copyright: | July 29, 2026
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