Cited by 88Visual perception and processing mechanismsFace Recognition and PerceptionVisual Attention and Saliency Detection

Beyond retinotopic mapping: the spatial representation of objects in the human lateral occipital complex

McKyton, Ayelet, Zohary, Ehud·2007·Cerebral Cortex

Abstract

The spatial representation in the human ventral object-related areas (i.e., the lateral occipital complex [LOC]) is currently unknown. It seems plausible, however, that it would diverge from the strict retinotopic mapping (characteristic of V1) to a more invariant coordinate frame, thereby allowing for reliable object recognition in the face of eye, head, or body movement. To study this, we compared the fMRI activation in LOC when object displacement was limited to either the retina or the screen by manipulating eye position and object locations. We found clear adaptation in LOC when the object's screen position was fixed, regardless of the object's retinal position. Furthermore, we found significantly greater activation in LOC in the hemisphere contralateral to the object's screen position, although the visual task was constructed in a way that the objects were present equally often on each of the 2 retinal hemifields. Together, these results indicate that a sizeable fraction of the neurons in LOC may have head-based receptive fields. Such an extraretinal representation may be useful for maintenance of object coherence across saccadic eye movements, which are an integral part of natural vision.

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Crossref · 10.1093/cercor/bhl027

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  1. von Helmholtz, 1962, Physiological optics

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Authors
McKyton, A., & Zohary, E.
Affiliations
Hebrew University of Jerusalem (IL)
Venue
Cerebral Cortex
Published
2006-07-03
Volume
17
Issue
5
Pages
1164-1172
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2125105913
Cited by
88
References
37
Citations by year
2026: 1 · 2025: 1 · 2024: 5 · 2022: 2 · 2021: 4 · 2020: 3 · 2018: 5 · 2017: 8 · 2016: 6 · 2015: 5 · 2014: 5 · 2013: 3 · 2012: 5
FWCI
3.06
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Visual Attention and Saliency Detection
Keywords
lateral occipital complex, spatial representation, retinotopic mapping, object recognition, eye movements, saccades, object displacement, hemispheric lateralization
MeSH terms
Adult, Brain Mapping, Female, Humans, Male, Nerve Net, Neurons, Afferent, Occipital Lobe, Pattern Recognition, Visual, Retinaldehyde, Space Perception, Visual Pathways

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