# Alertness and cognitive control: Testing the spatial grouping hypothesis

> Research article (Attention Perception & Psychophysics, 2019) · cited 12× · AI/ML

**Wikidata**: [openalex:W2945686141](https://www.wikidata.org/wiki/openalex:W2945686141)  
**Source**: https://4ort.xyz/entity/alertness-and-cognitive-control-testing-the-spatial-grouping-hypothesis