# Infant and adult pupil dilation in response to unexpected sounds

> Research article (Developmental Psychobiology, 2015) · cited 141× · AI/ML

**Wikidata**: [openalex:W1877044182](https://www.wikidata.org/wiki/openalex:W1877044182)  
**Source**: https://4ort.xyz/entity/infant-and-adult-pupil-dilation-in-response-to-unexpected-sounds