# More Thumbs Than Rules: Is Rationality an Exaptation?

> Research article (Frontiers in Psychology, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W4213417814](https://www.wikidata.org/wiki/openalex:W4213417814)  
**Source**: https://4ort.xyz/entity/more-thumbs-than-rules-is-rationality-an-exaptation