# How Reliable Are Ultra-Short-Term HRV Measurements during Cognitively Demanding Tasks?

> Research article (Sensors, 2022) · cited 22× · AI/ML

**Wikidata**: [openalex:W4293716224](https://www.wikidata.org/wiki/openalex:W4293716224)  
**Source**: https://4ort.xyz/entity/how-reliable-are-ultra-short-term-hrv-measurements-during-cognitively-demanding-tasks