Abstract
In rats, the hippocampus plays a crucial role in spatial representation. This ability is related to cells firing at specific locations in the environment. Recently, it has been reported that entorhinal cells, which convey the major cortical input to the hippocampus, have a very different spatial pattern of firing activity. Each cell fires at several locations in an environment, these locations forming a grid-like pattern. Both the entorhinal ‘grid cells’ and the hippocampal ‘place cells’ fire with theta phase precession; the phase between the spiking activity and the theta local field potential continuously precesses while traversing a receptive field. Previously, the authors demonstrated that this mechanism is sufficient to explain the transformation of entorhinal grid fields to dentate gyrus place fields. This paper investigates the necessary conditions for the appearance of place fields in the CA3 network.
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Molter, C., Yamaguchi, Y. (2008). Theta Phase Precession for Spatial Representation in the Entorhinal-dentate Gyrus-ca3 Network. In: Wang, R., Shen, E., Gu, F. (eds) Advances in Cognitive Neurodynamics ICCN 2007. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8387-7_46
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DOI: https://doi.org/10.1007/978-1-4020-8387-7_46
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