# Small head movements increase and colour noise in data from five video-based P–CR eye trackers

> Research article (Behavior Research Methods, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3189031431](https://www.wikidata.org/wiki/openalex:W3189031431)  
**Source**: https://4ort.xyz/entity/small-head-movements-increase-and-colour-noise-in-data-from-five-video-based-pcr-eye-trackers