Cited by 263Spatial Cognition and NavigationMemory and Neural MechanismsMemory Processes and Influences

A critical review of the allocentric spatial representation and its neural underpinnings: toward a network-based perspective

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Ekstrom, Arne D., Arnold, Aiden E. G. F., Iaria, Giuseppe·2014·Frontiers in Human Neuroscience

Abstract

While the widely studied allocentric spatial representation holds a special status in neuroscience research, its exact nature and neural underpinnings continue to be the topic of debate, particularly in humans. Here, based on a review of human behavioral research, we argue that allocentric representations do not provide the kind of map-like, metric representation one might expect based on past theoretical work. Instead, we suggest that almost all tasks used in past studies involve a combination of egocentric and allocentric representation, complicating both the investigation of the cognitive basis of an allocentric representation and the task of identifying a brain region specifically dedicated to it. Indeed, as we discuss in detail, past studies suggest numerous brain regions important to allocentric spatial memory in addition to the hippocampus, including parahippocampal, retrosplenial, and prefrontal cortices. We thus argue that although allocentric computations will often require the hippocampus, particularly those involving extracting details across temporally specific routes, the hippocampus is not necessary for all allocentric computations. We instead suggest that a non-aggregate network process involving multiple interacting brain areas, including hippocampus and extra-hippocampal areas such as parahippocampal, retrosplenial, prefrontal, and parietal cortices, better characterizes the neural basis of spatial representation during navigation. According to this model, an allocentric representation does not emerge from the computations of a single brain region (i.e., hippocampus) nor is it readily decomposable into additive computations performed by separate brain regions. Instead, an allocentric representation emerges from computations partially shared across numerous interacting brain regions. We discuss our non-aggregate network model in light of existing data and provide several key predictions for future experiments.

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  • Spatial navigation is influenced by several factors such as age and individual spatial abilities.

    “This finding aligns with the notion that spatial navigation is influenced by several factors such as age and individual spatial abilities11,12,36–38.”

    From Long-term Memory Reorganization of Navigational Episodes (2026) · cites this paper as [11]

    The section on allocentric representation as a network phenomenon reports that network efficiency predicted participants’ accuracy in orienting within a virtual city, supporting variation in individual spatial ability. The passages found do not address age as a factor in navigation (searched: age, aging, age-related). No page numbers are available in our copy. (LLM, conf=0.85)

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  • Memory of egocentric and allocentric representational modes relies on at least partially dissociable neural substrates.

    “Studies suggest that memory of these representational modes relies on at least partially dissociable neural substrates5,11,12.”

    From Long-term Memory Reorganization of Navigational Episodes (2026) · cites this paper as [11]

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Research works printed but not linked: 1

  1. Werner S. Schmidt K. E. (1999). Environmental reference systems for large-scale spaces. Spat. Cogn. Comput. 1 447– 473 10.1023/A:1010095831166 · DOI

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Authors
Ekstrom, A. D., Arnold, A. E. G. F., & Iaria, G.
Affiliations
  • University of California, Davis (US)
  • University of Calgary (CA)
Corresponding author
Ekstrom, Arne D.
Venue
Frontiers in Human Neuroscience
Published
2014-10-10
Volume
8
Pages
803-803
ISSN
1662-5161 (ISSN-L)
OpenAlex
W2120207633
Cited by
263
References
138
Citations by year
2026: 22 · 2025: 27 · 2024: 15 · 2023: 22 · 2022: 19 · 2021: 29 · 2020: 28 · 2019: 17 · 2018: 31 · 2017: 26 · 2016: 12 · 2015: 14 · 2013: 1
FWCI
3.95
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Human Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Alfred P. Sloan Foundation
  • National Institutes of Health
  • Natural Sciences and Engineering Research Council of Canada (RT735872)
  • National Institute of Neurological Disorders and Stroke (R01NS076856)
Topics
  • Physical Sciences › Engineering › Automotive Engineering › Spatial Cognition and Navigation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
Keywords
allocentric spatial representation, spatial memory, hippocampus, parahippocampal cortex, retrosplenial cortex, prefrontal cortex, parietal cortex, egocentric representation, neural network model, navigation, metric representation, brain region interactions

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