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2014 Fiscal Year Final Research Report

Investigation of the underpinning mechanisms of sequential object use disorder: the analysis of fixation behavior of patients with cognitive impairment

Research Project

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Project/Area Number 24500627
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionKyoto Tachibana University

Principal Investigator

ODAGIRI Masashi  京都橘大学, 健康科学部, 助教 (30388904)

Co-Investigator(Kenkyū-buntansha) UEDA Keita  京都大学, 医学研究科, 助教 (60573079)
Co-Investigator(Renkei-kenkyūsha) MURAI Toshiya  京都大学, 医学研究科, 教授 (30335286)
Project Period (FY) 2012-04-01 – 2015-03-31
Keywords生活機能 / 失行 / アイトラッキング / 注視 / 生活関連動作 / 認知症 / 軽度認知障害 / 系列物品使用
Outline of Final Research Achievements

The functional abilities of patients with dementia gradually decrease with the progression of the disease. To show the underlying mechanisms of such disabilities, we recruited patients with mild cognitive impairment or early Alzheimer disease (n=8; control, n=15), and studied their behavioral error, eye-movement, and fixation behavior during naturalistic actions via performance-based assessment and eye-tracker. Although we found no significant differences between groups in terms of performance time, the number of errors, or fixations during tasks, the eye movement distance during tasks was much larger in patients compared with controls, and the distribution of eye movement velocity under resting and task conditions differed between the patients and controls. Such patients may exhibit subtle differences in the way they conduct superficially independent everyday activities due to cognitive functional decline, although a larger sample is necessary to confirm this possibility.

Free Research Field

神経心理学

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Published: 2016-06-03  

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