Cited by 515Multisensory perception and integrationVisual perception and processing mechanismsMotor Control and Adaptation

Multimodal integration for the representation of space in the posterior parietal cortex

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Andersen, Richard A.·1997·Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences

Abstract

The posterior parietal cortex has long been considered an ‘association’ area that combines information from different sensory modalities to form a cognitive representation of space. However, until recently little has been known about the neural mechanisms responsible for this important cognitive process. Recent experiments from the author's laboratory indicate that visual, somatosensory, auditory and vestibular signals are combined in areas LIP and 7a of the posterior parietal cortex.The integration of these signals can represent the locations of stimuli with respect to the observer and within the environment. Area MSTd combines visual motion signals, similar to those generated during an observer's movement through the environment, with eye–movement and vestibular signals. This integration appears to play a role in specifying the path on which the observer is moving. All three cortical areas combine different modalities into common spatial frames by using a gain–field mechanism. The spatial representations in areas LIP and 7a appear to be important for specifying the locations of targets for actions such as eye movements or reaching; the spatial representation within area MSTd appears to be important for navigation and the perceptual stability of motion signals.

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Crossref · 10.1098/rstb.1997.0128

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Authors
Andersen, R. A.
Affiliations
California Institute of Technology (US)
Corresponding author
Andersen, Richard A.
Venue
Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences
Published
1997-10-29
Volume
352
Issue
1360
Pages
1421-1428
ISSN
  • 0962-8436 (ISSN-L)
  • 1471-2970
OpenAlex
W2007482827
Cited by
515
References
45
Citations by year
2026: 8 · 2025: 10 · 2024: 14 · 2023: 10 · 2022: 9 · 2021: 11 · 2020: 20 · 2019: 57 · 2018: 16 · 2017: 15 · 2016: 13 · 2015: 20 · 2014: 15 · 2013: 24 · 2012: 13
FWCI
5.69
Type
journal article
Language
en
Open access
Locations
  • Philosophical Transactions of the Royal Society B Biological Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • CaltechAUTHORS (California Institute of Technology) (submittedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
Keywords
posterior parietal cortex, multimodal integration, spatial representation, visual-somatosensory integration, area 7a, eye movements, reaching, navigation, perceptual stability, environmental space
MeSH terms
Animals, Haplorhini, Auditory Perception, Eye Movements, Head, Models, Biological, Movement, Parietal Lobe, Space Perception, Visual Perception

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