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Image: Pinna's illusory intertwining effect

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Description: Pinna's illusory intertwining effect, described in Pinna, B., Gregory, R.L. (2002). "Shifts of Edges and Deformations of Patterns". Perception 31: 1503-1508. and Pinna illusion (scholarpedia) Actually, the circles are concentric.
Title: Pinna's illusory intertwining effect
Credit: Own work
Author: Jochen Burghardt
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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