# Topology-defined units in numerosity perception

> Research article (Proceedings of the National Academy of Sciences, 2015) · cited 99× · AI/ML

**Wikidata**: [openalex:W2123627635](https://www.wikidata.org/wiki/openalex:W2123627635)  
**Source**: https://4ort.xyz/entity/topology-defined-units-in-numerosity-perception