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The hippocampus as a predictive map
2017
Nature Neuroscience
A cognitive map has long been the dominant metaphor for hippocampal function, embracing the idea that place cells encode a geometric representation of space. However, evidence for predictive coding, reward sensitivity, and policy dependence in place cells suggests that the representation is not purely spatial. We approach this puzzle from a reinforcement learning perspective: what kind of spatial representation is most useful for maximizing future reward? We show that the answer takes the form
doi:10.1038/nn.4650
pmid:28967910
fatcat:ra2nmfcd3rbyzn6repiydfacim