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Research Articles

Saccadic Eye Movements in Patients with Mild Cognitive Impairment: A Longitudinal Study

ORCID Icon, ORCID Icon, ORCID Icon, ORCID Icon & ORCID Icon
Pages 354-372 | Received 09 Jan 2023, Accepted 09 Apr 2023, Published online: 20 Apr 2023
 

Abstract

Saccadic eye movements are one of the sensitive and noninvasive methods to help monitor the cognitive course of mild cognitive impairment (MCI). The study aimed to evaluate both pro and anti-saccade longitudinally and the relationship between cognitive functions and eye movements in MCI subgroups and healthy controls (HCs) at a two-year follow-up. This study revealed that the anti-saccade anticipatory responses decreased in amnestic MCI (aMCI). Correct vertical pro-saccades increased in non-amnestic MCI (naMCI), while the express saccades decreased. Our study demonstrated that longer than two years of follow-up is necessary to monitor the course of MCI. Findings of the relationships between longitudinal changes of saccades and cognitive measurements demonstrated the usability of eye movements in evaluating the process of MCI.

DISCLOSURE STATEMENT

The authors declare that they have no conflict of interest.

Additional information

Funding

The authors did not receive support from any organization for the submitted work.

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