# On the origin of the Ebbinghaus illusion: The role of figural extent and spatial frequency of stimuli

> Research article (Vision Research, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W3192369358](https://www.wikidata.org/wiki/openalex:W3192369358)  
**Source**: https://4ort.xyz/entity/on-the-origin-of-the-ebbinghaus-illusion-the-role-of-figural-extent-and-spatial-frequency-of-stimuli