2006-09-01Z 2011-03-11T08:56:35Z http://cogprints.org/id/eprint/5101 This item is in the repository with the URL: http://cogprints.org/id/eprint/5101 2006-09-01Z

Hafting et al. (2005) described grid cells in the dorsocaudal region of the medial enthorinal cortex (dMEC). These cells show a strikingly regular grid-like firing-pattern as a function of the position of a rat in an enclosure. Since the dMEC projects to the hippocampal areas containing the well-known place cells, the question arises whether and how the localized responses of the latter can emerge based on the output of grid cells. Here, we show that, starting with simulated grid-cells, a simple linear transformation maximizing sparseness leads to a localized representation similar to place fields.

Mathias Franzius Roland Vollgraf Dr. Laurenz Wiskott