Mark Wyner Won’t Comply Jan 29

This is called the Ebbinghaus illusion. It’s an optical illusion of size perception.

The pink circles are exactly the same size. In the first image I show the effect. In the second I show the same image, modified to reveal the equal size.

https://en.wikipedia.org/wiki/Ebbinghaus_illusion

#EbbinghausIllusion #OpticalIllusion #Brain #Science #Perception

Barry Cook 🇨🇦Oct 21
Agent Orange is a living example of the ‘Ebbinghaus Illusion’ - he only appears to be large and important when surrounded by people weaker than he is. When surrounded by those of more importance or intelligence, you see he appears smaller.
#trump #ebbinghausillusion #TinPotDictator #USA
Ars Technica NewsOct 20
Do animals fall for optical illusions? It’s complicated. https://arstechni.ca/tHwy #Ebbinghausillusion #animalperception #animalpsychology #animalcognition #psychology #Science
Do animals fall for optical illusions? It’s complicated.

Guppies are highly susceptible to the Ebbinghaus illusion. Ring doves? Not so much.

Ars Technica
fx dechaume-moncharmontFeb 24, 2022
Fish also are sensitive to optical illusion. #science #biology #animalbehaviour #cognition #ebbinghausillusion #delboeufillusion #fish #guppy
📄 Santacà et al (2022) Guppies are deceived by visual illusions during obstacle negotiation. Biology Letters 18:20210548 http://dx.doi.org/10.1098/rsbl.2021.0548