# Cognitive Vigilance Enhancement Using Audio Stimulation of Pure Tone at 250 Hz

> Research article (IEEE Access, 2021) · cited 24× · AI/ML

**Wikidata**: [openalex:W3123901055](https://www.wikidata.org/wiki/openalex:W3123901055)  
**Source**: https://4ort.xyz/entity/cognitive-vigilance-enhancement-using-audio-stimulation-of-pure-tone-at-250-hz