# Top down and bottom up selection drives variations in frequency and form of a visual signal

> Research article (Scientific Reports, 2015) · cited 22× · AI/ML

**Wikidata**: [openalex:W2000685848](https://www.wikidata.org/wiki/openalex:W2000685848)  
**Source**: https://4ort.xyz/entity/top-down-and-bottom-up-selection-drives-variations-in-frequency-and-form-of-a-visual-signal