Clinical Research Directory

Eye Movement Parameters and Cognitive Functions in Older Adults

Sponsor: National Sun Yat-sen University

Summary

Dementia most commonly occurs in elderly individuals, but currently there is still a lack of objective measurement methods that can detect cognitive impairment in older adults at an early stage. Eye movement is considered a clinical indicator with potential for screening mild cognitive dysfunction, and eye movement signals can be extracted to objectively evaluate cognition. Eye tracking has been used mostly to evaluate patients with neurodegenerative diseases such as Parkinson's disease. However, less attention has been paid to the relationship between eye movement and cognitive function in elderly individuals, as well as the association between eye movement data and abnormal cognitive subdomains. This cross-sectional study will recruit 0204 elderly individuals over the age of 65, divided into three groups (healthy group/mild cognitive impairment group/dementia group) according to the purpose of this study. Participants who have not been diagnosed with neurological diseases (such as Parkinson's disease or stroke), or have mental illness or visual impairments will be excluded. This study hopes to provide empirical data on eye movement signals and cognitive function in healthy older individuals, as well as to serve as a preliminary study for future development of eye activity stimulation to improve cognitive function in older adults.

Official title: The Relationship Between Eye Movement Parameters and Cognitive Functions in Older Adults

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