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Information Journal Paper

Title

VESTIBULO-OCULAR REFLEX IN PATIENTS WITH AMNESTIC MILD COGNITIVE IMPAIRMENT AND NORMAL CONTROLS: A COMPARATIVE STUDY

Pages

  93-100

Abstract

 Background and Aim: Several studies have shown the anatomical associations between the VESTIBULAR SYSTEM and cognitive processes, especially spatial memory. One of the first problems that occur in Alzheimer's disease (AD) is spatial memory deficits. The preclinical stage of AD is MILD COGNITIVE IMPAIRMENT (MCI). Amnestic type of MCI (aMCI) is more likely to progress to AD. Previous studies have demonstrated high incidence of vestibular disorders in AD patients; however, the balance system of aMCI patients has not been investigated. Therefore, the present study aimed to investigate VESTIBULO-OCULAR REFLEX (VOR) impairments in aMCI patients compared with control group.Methods: In this cross-sectional study VOR gain and catch-up saccades in six semicircular canals were measured in 12 aMCI patients and 12 normal controls using video head impulse test.Results: VESTIBULO-OCULAR REFLEX gains in direction of all vertical semicircular canals were lower in aMCI- compared with normal-group (right anterior canal 0.74±0.17 vs 0.87±0.12; right posterior canal 0.77±0.10 vs 0.90±0.10; left anterior canal 0.87±0.10 vs 0.97±0.11; left posterior 0.72±0.18 vs 0.87±0.90). Catch-up saccades were found in direction of all canals in aMCI patients while there were no saccades in normal groups.Conclusion: In aMCI patients there was more vestibular dysfunction, which might be associated with cognitive deficits especially spatial type. In brief, vestibular investigation is suggested in aMCI patients.

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    APA: Copy

    YARGHOLI, SARAH, ADEL GHAHRAMAN, MANSOUREH, HOSSEINABADI, REZA, AGHAMOLLAII, VAJIHEH, & JALAIE, SHOHREH. (2018). VESTIBULO-OCULAR REFLEX IN PATIENTS WITH AMNESTIC MILD COGNITIVE IMPAIRMENT AND NORMAL CONTROLS: A COMPARATIVE STUDY. AUDITORY AND VESTIBULAR RESEARCH, 27(2), 93-100. SID. https://sid.ir/paper/714186/en

    Vancouver: Copy

    YARGHOLI SARAH, ADEL GHAHRAMAN MANSOUREH, HOSSEINABADI REZA, AGHAMOLLAII VAJIHEH, JALAIE SHOHREH. VESTIBULO-OCULAR REFLEX IN PATIENTS WITH AMNESTIC MILD COGNITIVE IMPAIRMENT AND NORMAL CONTROLS: A COMPARATIVE STUDY. AUDITORY AND VESTIBULAR RESEARCH[Internet]. 2018;27(2):93-100. Available from: https://sid.ir/paper/714186/en

    IEEE: Copy

    SARAH YARGHOLI, MANSOUREH ADEL GHAHRAMAN, REZA HOSSEINABADI, VAJIHEH AGHAMOLLAII, and SHOHREH JALAIE, “VESTIBULO-OCULAR REFLEX IN PATIENTS WITH AMNESTIC MILD COGNITIVE IMPAIRMENT AND NORMAL CONTROLS: A COMPARATIVE STUDY,” AUDITORY AND VESTIBULAR RESEARCH, vol. 27, no. 2, pp. 93–100, 2018, [Online]. Available: https://sid.ir/paper/714186/en

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