Maintaining a Cognitive Map in Darkness: The Need to Fuse Boundary Knowledge with Path Integration
Identifieur interne : 002160 ( Pmc/Corpus ); précédent : 002159; suivant : 002161Maintaining a Cognitive Map in Darkness: The Need to Fuse Boundary Knowledge with Path Integration
Auteurs : Allen Cheung ; David Ball ; Michael Milford ; Gordon Wyeth ; Janet WilesSource :
- PLoS Computational Biology [ 1553-734X ] ; 2012.
Abstract
Spatial navigation requires the processing of complex, disparate and often ambiguous sensory data. The neurocomputations underpinning this vital ability remain poorly understood. Controversy remains as to whether multimodal sensory information must be combined into a unified representation, consistent with Tolman's “cognitive map”, or whether differential activation of independent navigation modules suffice to explain observed navigation behaviour. Here we demonstrate that key neural correlates of spatial navigation in darkness cannot be explained if the path integration system acted independently of boundary (landmark) information.
Url:
DOI: 10.1371/journal.pcbi.1002651
PubMed: 22916006
PubMed Central: 3420935
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