Pettit, Yuan and Harvey find that hippocampal spatial maps degrade when mice voluntarily disengage from a navigation task, even without changes in sensory or self-motion cues. This finding suggests that internal state could have an active role in supporting navigational coding and, perhaps, spatial memory.
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Low, I.I.C., Giocomo, L.M. Task engagement turns on spatial maps. Nat Neurosci 25, 534–535 (2022). https://doi.org/10.1038/s41593-022-01051-3
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DOI: https://doi.org/10.1038/s41593-022-01051-3