Illusory contour perception results from neural completion processes in the visual cortex
Is it true that Illusory contour perception results from neural completion processes in the visual cortex?
Yes. Multiple neuroimaging and electrophysiological studies confirm that illusory contour perception is mediated by neural processing and completion mechanisms across visual cortical areas.
Verdict: SUPPORTED · 5 sources for, 0 against · Last checked
The retrieved papers provide robust evidence from single-unit recording, fMRI, and electrophysiology demonstrating that visual cortical areas (such as V1, V2, and higher visual areas) represent and process illusory contours through neural completion and feedback mechanisms. None of the papers refute the claim, leading to a SUPPORTED verdict.
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Riidiger, Heydt, v. d., Esther, & Peterhans (1989). Mechanisms of contour perception in monkey visual cortex. I. Lines of pattern discontinuity. doi.org. https://doi.org/10.1523/JNEUROSCI.09-05-01731.1989
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Mendola, J., Dale, A., Fischl, B., Liu, A. K., & Tootell, R. (1999). The Representation of Illusory and Real Contours in Human Cortical Visual Areas Revealed by Functional Magnetic Resonance Imaging. doi.org. https://doi.org/10.1523/JNEUROSCI.19-19-08560.1999
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A, P., E, R., C, L., & AA, C. (2020). Top-Down Feedback Controls the Cortical Representation of Illusory Contours in Mouse Primary Visual Cortex.. doi.org. https://doi.org/10.1523/jneurosci.1998-19.2019
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Li, S., Zeng, X., Shao, Z., & Yu, Q. (2023). Neural Representations in Visual and Parietal Cortex Differentiate between Imagined, Perceived, and Illusory Experiences. doi.org. https://doi.org/10.1101/2023.03.31.535014
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Svanera, M., Morgan, A., Petro, L. S., & Muckli, L. (2021). A self-supervised deep neural network for image completion resembles early visual cortex fMRI activity patterns for occluded scenes. doi.org. https://doi.org/10.1167/jov.21.7.5
What does the evidence say?
The retrieved papers provide robust evidence from single-unit recording, fMRI, and electrophysiology demonstrating that visual cortical areas (such as V1, V2, and higher visual areas) represent and process illusory contours through neural completion and feedback mechanisms. None of the papers refute the claim, leading to a SUPPORTED verdict.
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