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  The Flip Tilt Illusion: Visible in Peripheral Vision as Predicted by the Central-Peripheral Dichotomy

Zhaoping, L. (2020). The Flip Tilt Illusion: Visible in Peripheral Vision as Predicted by the Central-Peripheral Dichotomy. i-Perception, 11(4), 1-5. doi:10.1177/2041669520938408.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-D9F6-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-D9F7-F
Genre: Journal Article

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Zhaoping, L1, 2, Author              
Affiliations:
1Department of Sensory and Sensorimotor Systems, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_3017467              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Consider a gray field comprising pairs of vertically aligned dots; in each pair, one dot is white the other black. When viewed in a peripheral visual field, these pairs appear horizontally aligned. By the Central-Peripheral Dichotomy, this flip tilt illusion arises because top-down feedback from higher to lower visual cortical areas is too weak or absent in the periphery to veto confounded feedforward signals from the primary visual cortex (V1). The white and black dots in each pair activate, respectively, on and off subfields of V1 neural receptive fields. However, the sub-fields' orientations, and the preferred orientations, of the most activated neurons are orthogonal to the dot alignment. Hence, V1 reports the flip tilt to higher visual areas. Top-down feedback vetoes such misleading reports, but only in the central visual field.

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 Dates: 2020-07
 Publication Status: Published online
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 Identifiers: DOI: 10.1177/2041669520938408
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Title: i-Perception
Source Genre: Journal
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Pages: - Volume / Issue: 11 (4) Sequence Number: - Start / End Page: 1 - 5 Identifier: ISSN: 2041-6695