# Directional organization and shape formation: new illusions and Helmholtz's Square

> Research article (Frontiers in Human Neuroscience, 2015) · cited 17× · AI/ML

**Wikidata**: [openalex:W2091344273](https://www.wikidata.org/wiki/openalex:W2091344273)  
**Source**: https://4ort.xyz/entity/directional-organization-and-shape-formation-new-illusions-and-helmholtz-s-square