Using idiothetic cues to swim a path with a fixed trajectory and distance: Necessary involvement of the hippocampus but not the retrosplenial cortex.

Y. Zheng, J.M. Pearce, S.D. Vann, M. Good, Trisha Jenkins, P.F. Smith, J.P. Aggleton

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Rats rapidly learned to find a submerged platform in a water maze at a constant distance and angle from the start point, which changed on every trial. The rats performed accurately in the light and dark, but prior rotation disrupted the latter condition. The rats were then retested after receiving cytotoxic hippocampal or retrosplenial cortex lesions. Retrosplenial lesions had no apparent effect in either the light or dark. Hippocampal lesions impaired performance in both conditions but spared the ability to locate a platform placed in the center of the pool. A hippocampal deficit emerged when this pool-center task was run in the dark. The spatial effects of hippocampal damage extend beyond allocentric tasks to include aspects of idiothetic guidance.
Original languageEnglish
Pages (from-to)1363-1377
Number of pages15
JournalBehavioral Neuroscience
Volume117
Issue number6
DOIs
Publication statusPublished - Dec 2003

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Clinical Psychology

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