| Assessment of post-stroke extrapersonal neglect using a three-dimensional immersive virtual street crossing program. | |
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MedLine Citation:
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PMID: 19839943 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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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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Authors:
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D Y Kim; J Ku; W H Chang; T H Park; J Y Lim; K Han; I Y Kim; S I Kim |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2009-10-15 |
Journal Detail:
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Title: Acta neurologica Scandinavica Volume: 121 ISSN: 1600-0404 ISO Abbreviation: Acta Neurol. Scand. Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-02-11 Completed Date: 2010-04-26 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0370336 Medline TA: Acta Neurol Scand Country: Denmark |
Other Details:
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Languages: eng Pagination: 171-7 Citation Subset: IM |
Affiliation:
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Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea. |
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| MeSH Terms | |
Descriptor/Qualifier:
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Acoustic Stimulation
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methods Aged Computer Graphics* Cues Female Functional Laterality / physiology Humans Male Middle Aged Neuropsychological Tests Perceptual Disorders / diagnosis*, etiology Personal Space* Photic Stimulation / methods Reaction Time / physiology Space Perception / physiology* Stroke / complications User-Computer Interface* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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