Visual search in Alzheimer's disease and amnesticmild cognitive impairment: An eye-tracking study

被引：0
|
作者：
Boz, Hatice Eraslan [1 ,2 ]
Kocoglu, Koray [1 ]
Akkoyun, Muge [1 ]
Tufekci, Isil Yagmur [1 ]
Ekin, Merve [1 ]
Akdal, Gulden [1 ,3 ]
机构：
[1] Dokuz Eylul Univ, Inst Hlth Sci, Dept Neurosci, Izmir, Turkiye
[2] Dokuz Eylul Univ, Dept Neurol, Unit Neuropsychol, Izmir, Turkiye
[3] Dokuz Eylul Univ, Dept Neurol, Izmir, Turkiye
来源：
ALZHEIMERS & DEMENTIA | 2024年 / 20卷 / 02期
关键词：
Alzheimer's disease; amnestic mild cognitive impairment; finding objects; visual attention; visual; search; ASSOCIATION WORKGROUPS; DIAGNOSTIC GUIDELINES; NATIONAL INSTITUTE; ATTENTION IMPAIRMENTS; SCENE PERCEPTION; TIME-COURSE; RECOMMENDATIONS; DEMENTIA; DEFICITS; PERFORMANCE;
D O I：
暂无
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
INTRODUCTION: Visual search impairment is a potential cognitive marker for Alzheimer's disease (AD) and amnestic mild cognitive impairment (aMCI). The aim of this study is to compare eyemovements during visual tracking inADand aMCI patients versus healthy controls (HCs). METHODS: A prospective cohort study included 32 AD and 37 aMCI patients, and 33 HCs. Each participant was asked to look at the target object in a visual stimulus containing one target and eight distractors, and eye movements were recorded with EyeLink 1000 Plus. RESULTS: AD patients had fewer fixations and shorter target fixation duration than aMCI patients and HCs. Fixation durations were also shorter in aMCI patients compared to HCs. Also, AD patients were more fixated on distractors than HCs. DISCUSSION: Our findings revealed that visual search is impaired in the early stages ofADand even aMCI, highlighting the importance of addressing visual processes in the Alzheimer's continuum.
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页码：759 / 768
页数：10
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