Cited by 141Memory and Neural MechanismsSpatial Cognition and NavigationNeurogenesis and neuroplasticity mechanisms

Egocentric and allocentric representations of space in the rodent brain

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Wang, Cheng, Chen, Xiaojing, Knierim, James J·2020·Current Opinion in Neurobiology

Abstract

Spatial signals are prevalent within the hippocampus and its neighboring regions. It is generally accepted that these signals are defined with respect to the external world (i.e., a world-centered, or allocentric, frame of reference). Recently, evidence of egocentric processing (i.e., self-centered, defined relative to the subject) in the extended hippocampal system has accumulated. These results support the idea that egocentric sensory information, derived from primary sensory cortical areas, may be transformed to allocentric representations that interact with the allocentric hippocampal system. We propose a framework to explain the implications of the egocentric-allocentric transformations to the functions of the medial temporal lobe memory system.

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  • Egocentric spatial representations are found mostly in regions upstream of the hippocampal-entorhinal allocentric representations, with some overlaps (Wang et al., 2020).

    “Egocentric spatial representations are found mostly in regions upstream of the hippocampal–entorhinal allocentric representations (e.g., primary sensory cortex), with some overlaps (e.g. in the hippocampus and lateral entorhinal cortex) (Wang et al., 2020).”
  • Many vectorial codes exist in mammalian navigation systems, including some in body-centric coordinates and others in world-centric coordinates.

    “More generally, there are many vectorial codes in mammalian navigation systems1,2, including some in body-centric coordinates34,35, and others in world-centric coordinates34,36–38.”

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Authors
Wang, C., Chen, X., & Knierim, J. J.
Affiliations
Johns Hopkins University (US)
Corresponding author
  • Wang, Cheng
  • Knierim, James J
Venue
Current Opinion in Neurobiology
Publisher
Elsevier BV
Published
2020-02
Volume
60
Pages
12-20
ISSN
0959-4388 (ISSN-L)
OpenAlex
W2990041000
Cited by
141
References
53
Citations by year
2026: 17 · 2025: 24 · 2024: 22 · 2023: 26 · 2022: 16 · 2021: 20 · 2020: 16
FWCI
1.65
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Neurobiology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institutes of Health
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Physical Sciences › Engineering › Automotive Engineering › Spatial Cognition and Navigation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
Keywords
egocentric spatial representation, allocentric spatial representation, hippocampus, lateral entorhinal cortex, episodic memory, rodent brain, spatial coding, reference frames
MeSH terms
Animals, Hippocampus, Memory, Rodentia, Space Perception

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