Cited by 161Memory and Neural MechanismsSpatial Cognition and NavigationMemory Processes and Influences

Preserved spatial memory after hippocampal lesions: effects of extensive experience in a complex environment

Winocur, Gordon, Moscovitch, Morris, Fogel, Stuart, Rosenbaum, R Shayna, Sekeres, Melanie·2005·Nature Neuroscience

Abstract

Damage to the hippocampus typically impairs spatial learning and memory in animals, but humans with hippocampal lesions retain spatial memories of premorbidly familiar environments. We showed that, like humans, normal rats reared in a complex environment and then given hippocampal lesions retained allocentric spatial memory for that environment. These results, which ruled out dependency on single cues, landmarks or specific routes, suggest that extensive premorbid experience leads to spatial representations that are independent of the hippocampus.

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Crossref · 10.1038/nn1401

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16 of 16 references verified0 citation errors · 0 not checkable

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  • Rats with HPC lesions but extensive experience with the village maze acquired associations as quickly as controls, whereas inexperienced HPC-lesioned rats took much longer.

    “Rats with HPC lesions but extensive experience with the village acquired those associations as quickly as controls did, whereas inexperienced HPC-lesioned rats took much longer.”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [70]

  • Schematized spatial memories primarily include geometric properties rather than surface properties.

    “Schematized spatial memories primarily include geometric properties [G], rather than surface properties [G] 27,70,80,83 .”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [70]

  • The village maze provided converging evidence that semantic-like spatial representations or spatial schemas exist independently of the HPC.

    “It provided converging evidence that semantic-like spatial representations or spatial schemas exist independently of the HPC 70 .”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [70]

  • In rats with pre-lesion experience in the complex village maze, allocentric navigation abilities are preserved after HPC lesions.

    “As described above, in rats with pre-lesion experience in the complex village maze, allocentric navigation abilities are preserved after HPC lesions 70 .”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [70]

  • Navigation ability in these animals was impaired after manipulating distal cues, indicating that stable room geometry determined success.

    “Navigation ability in these animals was impaired after manipulating distal cues (for example, pictures on walls surrounding the maze), however, indicating that stable room geometry determined success.”

    From From cognitive maps to spatial schemas (2023) · cites this paper as [70]

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Authors
Winocur, G., Moscovitch, M., Fogel, S., Rosenbaum, R. S., & Sekeres, M.
Affiliations
  • University of Toronto (CA)
  • Trent University (CA)
  • Baycrest Hospital (CA)
Corresponding author
Winocur, Gordon
Venue
Nature Neuroscience
Published
2005-02-20
Volume
8
Issue
3
Pages
273-275
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2075785331
Cited by
161
References
16
Citations by year
2026: 2 · 2025: 3 · 2024: 24 · 2023: 5 · 2022: 5 · 2021: 6 · 2020: 4 · 2019: 4 · 2018: 5 · 2017: 6 · 2016: 3 · 2015: 6 · 2014: 9 · 2013: 5 · 2012: 6
FWCI
6.26
Type
journal article
Language
en
Update notices
erratum (2005-04-01)
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Trent University
  • Canadian Institutes of Health Research
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Physical Sciences › Engineering › Automotive Engineering › Spatial Cognition and Navigation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
hippocampal lesions, spatial memory, spatial learning, complex environments, rats, hippocampal-dependent memory
MeSH terms
Animals, Behavior, Animal, Cues, Discrimination Learning, Environment, Hippocampus, Male, Memory, Memory Disorders, Reaction Time, Space Perception, Time Factors, Maze Learning, Rats, Long-Evans, Rats

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