Cited by 118Visual perception and processing mechanismsNeural dynamics and brain functionNeuroscience and Neuropharmacology Research

Retinal ganglion cell synchronization by fixational eye movements improves feature estimation

Greschner, Martin, Bongard, Markus, Rujan, Pal, Ammermüller, Josef·2002·Nature Neuroscience

Abstract

Image movements relative to the retina are essential for the visual perception of stationary objects during fixation. Here we have measured fixational eye and head movements of the turtle, and determined their effects on the activity of retinal ganglion cells by simulating the movements on the isolated retina. We show that ganglion cells respond mainly to components of periodic eye movement that have amplitudes of roughly the diameter of a photoreceptor. Drift or small head movements have little effect. Driven cells that are located along contrast borders are synchronized, which reliably signals a preceding movement. In an artificial neural network, the estimation of spatial frequencies for various square wave gratings improves when timelocked to this synchronization. This could potentially improve stimulus feature estimation by the brain.

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Crossref · 10.1038/nn821

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  • In sighted humans, the Troxler effect is prevented by ocular micromovements (tremors, drifts and microsaccades) that refresh a static image and limit retinal adaptation.

    “In sighted humans, the Troxler effect is prevented by various ocular micromovements (tremors, drifts and microsaccades) that refresh a static image and limit retinal adaptation [151,152].”

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Authors
Greschner, M., Bongard, M., Rujan, P., & Ammermüller, J.
Affiliations
Carl von Ossietzky Universität Oldenburg (DE)
Corresponding author
Ammermüller, Josef
Venue
Nature Neuroscience
Published
2002-03-04
Volume
5
Issue
4
Pages
341-347
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2058844534
Cited by
118
References
35
Citations by year
2026: 3 · 2025: 4 · 2024: 3 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 5 · 2019: 6 · 2018: 3 · 2017: 3 · 2016: 4 · 2015: 7 · 2014: 5 · 2013: 11 · 2012: 7
FWCI
2.01
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Carl von Ossietzky Universität Oldenburg
  • Deutsche Forschungsgemeinschaft
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
fixational eye movements, retinal ganglion cells, neuronal synchronization, turtle retina, head movement, drift, feature estimation, isolated retina, neural network simulation, visual perception
MeSH terms
Animals, Electrophysiology, Eye Movements, Fixation, Ocular, Humans, Retinal Ganglion Cells, Time Factors, Turtles, Visual Perception, In Vitro Techniques

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