| Project/Area Number |
23500615
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Rehabilitation science/Welfare engineering
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| Research Institution | Kyorin University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
FUJISAWA Yuhki 杏林大学, 保健学部, 助教 (50612587)
TAKAHASHI Hidetoshi 杏林大学, 医学部, 准教授 (50206835)
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| Project Period (FY) |
2011 – 2013
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
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| Keywords | 片麻痺 / 運動失調症 / 利き手 / 非利き手 / 書字 / 巧緻運動 / 運動学習 / 三次元運動解析 / 巧緻性 |
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| Research Abstract |
Kinematic and morphological features of individual handwriting would be acquired after a long-term daily practice. Therefore, handwriting analysis gives us insight about characteristics of fine coordinated movement and motor learning. In this study, three dimensional movement analysis of the pen tip, finger and wrist was done while the subjects with hemiparesis or cerebellar ataxia were writing. Results indicated abnormally tight movement linkage of the pen tip and finger-wrist as well as decreased consistency of writing kinematics and morphology seen in the hemiparetic handwriting correlated with increase in writing time. Contrary, proximodistal movement dislinkage characteristic of the ataxic handwriting correlated with clinical severity of ataxia. Both tight linkage seen in the hemiparetic and dislinkage in the ataxic handwriting would result in poor handwriting. Regulation of the proximodistal movement linkage is important to control fine movements composed of multiple joints.
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