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Journal of Computational Neuroscience

, Volume 4, Issue 1, pp 79–94 | Cite as

Learning Navigational Maps Through Potentiation and Modulation of Hippocampal Place Cells

  • Wulfram Gerstner
  • L.F. Abbott
Article

Abstract

We analyze a model of navigational map formation based oncorrelation-based, temporally asymmetric potentiation anddepression of synapses between hippocampal place cells. We showthat synaptic modification during random exploration of anenvironment shifts the location encoded by place cell activityin such a way that it indicates the direction from any locationto a fixed target avoiding walls and other obstacles. Multiplemaps to different targets can be simultaneously stored if weintroduce target-dependent modulation of place cell activity.Once maps to a number of target locations in a given environmenthave been stored, novel maps to previously unknown targetlocations are automatically constructed by interpolation betweenexisting maps.

maps hippocampus synaptic plasticity population coding 

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Copyright information

© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Wulfram Gerstner
    • 1
  • L.F. Abbott
    • 1
  1. 1.Volen Center for Complex SystemsBrandeis UniversityWaltham

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