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Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
Published on: April 11, 2025
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The perceptual continuity field is retinotopic.
1Integrative Neuroscience and Cognition Center, Université de Paris & CNRS, 45 rue des Saints-Pères, 75006, Paris, France. therese.collins@parisdescartes.fr.
Scientific Reports
|December 13, 2019
Summary
Visual perception is biased by recent past stimuli. This study found that serial dependence in visual perception is retinotopic, meaning it depends on retinal position, not external space, suggesting late-stage visual processing.
Area of Science:
- Neuroscience
- Cognitive Science
- Visual Perception
Background:
- Visual perception is influenced by recent past experiences, a phenomenon known as serial dependence.
- This bias affects various visual attributes like orientation, numerosity, and face identity.
Purpose of the Study:
- To investigate the neural stage of serial dependence by examining its spatial tuning.
- To determine if spatial tuning is retinotopic or spatiotopic.
Main Methods:
- Three experiments were conducted to measure serial dependence.
- Stimuli were presented at various retinal and external spatial locations.
- Spatial tuning of serial dependence was analyzed.
Main Results:
- Serial dependence was strongest between stimuli at the same retinal position.
- Serial dependence decreased significantly for stimuli at distant retinal locations.
- This effect persisted even when stimuli shared the same external spatial coordinates.
Conclusions:
- The spatial window for serial dependence is retinotopic, not spatiotopic.
- The findings suggest that serial dependence occurs at late stages of visual processing.
- This retinotopic spatial tuning provides insights into the neural mechanisms underlying perceptual biases.
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