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Assessment of post-stroke extrapersonal neglect using a three-dimensional immersive virtual street crossing program

Authors
 D. Y. Kim  ;  J. Ku  ;  W. H. Chang  ;  T. H. Park  ;  J. Y. Lim  ;  K. Han  ;  I. Y. Kim  ;  S. I. Kim 
Citation
 ACTA NEUROLOGICA SCANDINAVICA, Vol.121(3) : 171-177, 2010 
Journal Title
 ACTA NEUROLOGICA SCANDINAVICA 
ISSN
 0001-6314 
Issue Date
2010
MeSH
Acoustic Stimulation/methods ; Aged ; Computer Graphics* ; Cues ; Female ; Functional Laterality/physiology ; Humans ; Male ; Middle Aged ; Neuropsychological Tests ; Perceptual Disorders/diagnosis* ; Perceptual Disorders/etiology ; Personal Space* ; Photic Stimulation/methods ; Reaction Time/physiology ; Space Perception/physiology* ; Stroke/complications ; User-Computer Interface*
Abstract
OBJECTIVE: To investigate the potential of our newly developed three-dimensional immersive virtual reality (VR) program modeled on a real street crossing as an assessment tool for extrapersonal neglect in stroke patients. METHODS: Thirty-two patients with right-hemispheric stroke (neglect group, 16; non-neglect group, 16) were enrolled. The deviation angle, reaction time, left-to-right reaction time ratio, visual and auditory cue rates, and failure rate were evaluated during missions to keep a virtual avatar safe from a traffic accident in the VR program. The line bisection test and letter cancellation test were also evaluated. RESULTS: The deviation angle, left-to-right reaction time ratio, left visual and auditory cue rates and left failure rate in the VR program showed significant differences between the two groups (P < 0.05). Depending on the direction of approach of the virtual car, the left parameters were significantly higher than the right parameters in the neglect group (P < 0.05). In the neglect group, the line bisection test correlated significantly with the deviation angle (P < 0.05). None of the other virtual reality parameters significantly correlated with the paper and pencil tests. CONCLUSION: Post-stroke neglect in the extrapersonal space can be easily and safely detected and measured using our three-dimensional immersive virtual street crossing program.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1600-0404.2009.01194.x/abstract
DOI
10.1111/j.1600-0404.2009.01194.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Deog Young(김덕용) ORCID logo https://orcid.org/0000-0001-7622-6311
Chang, Won Hyuk(장원혁)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/100921
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