Journal
NEUROLOGY
Volume 54, Issue 12, Pages 2316-2318Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/WNL.54.12.2316
Keywords
AD; vision; face discrimination; contrast sensitivity; cognition; perception
Categories
Funding
- NIA NIH HHS [T32AG00220, AG13846] Funding Source: Medline
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People with AD have deficient contrast sensitivity and impaired face discrimination. The authors presented photographs of unfamiliar faces of three different sizes to enhance the low, middle, or high facial frequency information (cycles per face). Patients with AD demonstrated normal discrimination of small faces only, indicating that impaired contrast sensitivity at low facial frequencies contributes to their poor face discrimination.
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