Abstract:Memory helps us adapt to changing circumstances but needs guidance to retrieve relevant episodes. Episodic memory requires the hippocampus, the prefrontal cortex (PFC) guides memory retrieval, but how their representations interact is unclear. Using state-space analysis of neuronal spiking, we found CA1 and PFC activity within and between rats formed similar, low-dimensional, region-specific "shapes" representing different tasks tested in the same maze. Task shapes were organized by behaviorally salient variab… Show more
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