# Facial color is an efficient mechanism to visually transmit emotion

> Research article (Proceedings of the National Academy of Sciences, 2018) · cited 101× · AI/ML

**Wikidata**: [openalex:W2791165182](https://www.wikidata.org/wiki/openalex:W2791165182)  
**Source**: https://4ort.xyz/entity/facial-color-is-an-efficient-mechanism-to-visually-transmit-emotion