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Measuring the Kinematics of Daily Living Movements with Motion Capture Systems in Virtual Reality

Title
Measuring the Kinematics of Daily Living Movements with Motion Capture Systems in Virtual Reality
Author
김지은
Keywords
Behavior; Issue 134; Kinematics; Virtual Reality; Motion Capture; Assessment; Instrumental Activities of Daily Living; Body; Trajectory; Moving Distance; Time to Completion; Mild Cognitive Impairment; Dementia
Issue Date
2018-05
Publisher
JOURNAL OF VISUALIZED EXPERIMENTS
Citation
JOVE-JOURNAL OF VISUALIZED EXPERIMENTS, no. 134, Article no. e57284
Abstract
The inability to complete instrumental activities of daily living (IADL) is a precursor to various neuropsychological diseases. Questionnaire-based assessments of IADL are easy to use but prone to subjective bias. Here, we describe a novel virtual reality (VR) test to assess two complex IADL tasks: handling financial transactions and using public transportation. While a participant performs the tasks in a VR setting, a motion capture system traces the position and orientation of the dominant hand and head in a three-dimensional Cartesian coordinate system. Kinematic raw data are collected and converted into 'kinematic performance measures,' i.e., motion trajectory, moving distance, and time to completion. Motion trajectory is the path of a particular body part (e.g., dominant hand or head) in space. Moving distance refers to the total distance of the trajectory, and time to completion is how long it took to complete an IADL task. These kinematic measures could discriminate patients with cognitive impairment from healthy controls. The development of this kinematic measuring protocol allows detection of early IADL-related cognitive impairments.
URI
https://www.jove.com/video/57284/measuring-kinematics-daily-living-movements-with-motion-capturehttps://repository.hanyang.ac.kr/handle/20.500.11754/118713
ISSN
1940-087X
DOI
10.3791/57284
Appears in Collections:
GRADUATE SCHOOL OF TECHNOLOGY & INNOVATION MANAGEMENT[S](기술경영전문대학원) > TECHNOLOGY MANAGEMENT(기술경영학과) > Articles
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