Assessment of post-stroke extrapersonal neglect using a three-dimensional immersive virtual street crossing program
- Authors
- Kim, D. Y.; Ku, J.; Chang, W. H.; Park, T. H.; Lim, J. Y.; Han, K.; Kim, I. Y.; Kim, S. I.
- Issue Date
- Mar-2010
- Publisher
- WILEY
- Keywords
- assessment; neglect; stroke; virtual reality
- Citation
- ACTA NEUROLOGICA SCANDINAVICA, v.121, no.3, pp.171 - 177
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- ACTA NEUROLOGICA SCANDINAVICA
- Volume
- 121
- Number
- 3
- Start Page
- 171
- End Page
- 177
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175368
- DOI
- 10.1111/j.1600-0404.2009.01194.x
- ISSN
- 0001-6314
- 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.
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