# Impaired contrast sensitivity is associated with more severe cognitive impairment in Parkinson disease

> Research article (Parkinsonism & Related Disorders, 2016) · cited 40× · AI/ML

**Wikidata**: [openalex:W2530247899](https://www.wikidata.org/wiki/openalex:W2530247899)  
**Source**: https://4ort.xyz/entity/impaired-contrast-sensitivity-is-associated-with-more-severe-cognitive-impairment-in-parkinson-disease