Specific geometric optical illusions are caused by neural processing limitations in the retina and visual cortex
Evidence from neuroimaging and computational modeling demonstrates that geometric optical illusions arise from neural processing mechanisms and interactions within early visual areas like the primary visual cortex.
The claim specifically attributes geometric optical illusions to neural processing limitations/mechanisms in the retina and visual cortex. Papers [4] and [10] directly support this by showing how cortical distance, lateral interactions, and computational parameters within the primary visual cortex account for geometric illusions. Other papers discuss related visual processing or illusions (e.g., [6], [9]), further reinforcing the cortical basis of perceptual phenomena.
Urale PWB, Schwarzkopf DS. Effects of cortical distance on the Ebbinghaus and Delboeuf illusions.. 2023. https://doi.org/10.1177/03010066231175014
Paper [4] demonstrates that geometric illusions like the Ebbinghaus and Delboeuf illusions are driven by neural interactions mediated by cortical distance in the primary visual cortex.
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Chrysa Retsa, A. Ariza, Nathanael W. Noordanus, Lorenzo Ruffoni, M. Murray, Benedetta Franceschiello. A psychophysically-tuned computational model of human primary visual cortex produces geometric optical illusions. 2020. https://doi.org/10.1016/j.crneur.2024.100140
Paper [10] shows that a computational model incorporating primary visual cortex parameters, orientation selectivity, and intra-cortical interactions can successfully replicate geometric optical illusions.
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