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Medial temporal lobe structures including the hippocampus are implicated by separate investigations in both episodic memory and spatial function. We show that a single recurrent attractor network can store both the discrete memories that characterize episodic memory and the continuous representations that characterize physical space. Combining both types of representation in a single network is actually necessary if objects and where they are located in space must be stored. We thus show that episodic memory and spatial theories of medial temporal lobe function can be combined in a unified model.

Original publication

DOI

10.1098/rspb.2002.2009

Type

Journal article

Journal

Proc Biol Sci

Publication Date

07/06/2002

Volume

269

Pages

1087 - 1093

Keywords

Animals, Computer Simulation, Cues, Memory, Mental Recall, Models, Neurological, N-Methylaspartate