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Journal of the Korean Academy of Rehabilitation Medicine 2006;30(1):1-6.
Clinical Usefulness of Computer Assisted Line Bisection Task for the Assessment of Sensory-Attenional Aspect of Visuospatial Neglect.
Park, Sung Joon , Lee, Hee Dae , Min, Su Jung , Park, Se Hun , Lee, Peter K W , Kim, Yun Hee
Department of Physical Medicine and Rehabilitation, Samsung Medical Center & Center for Clinical Medicine, Sungkyunkwan University School of Medicine. yhkim@smc.samsung.co.kr
주의감각성 시공간 무시에 대한 컴퓨터화 선이분 검사의 임상적 유용성
박성준, 이희대, 민수정, 박세훈, 이강우, 김연희
성균관대학교 의과대학 재활의학교실 및 임상의학연구소
Abstract
Objective
To assess the clinical usefulness of computer- assisted line bisection task for the patients with sensory- attentional visuospatial neglect.
Method
Forty patients with unilateral hemispheric stroke (25 right, 15 left) and 15 normal age-matched subjects participated in this study. Computer-assisted line bisection task (CALBT) was designed using modified Milner landmark test to assess the sensory-attentional aspect of visuospatial neglect. Accuracy of response and reaction time for the transected lines, and response rate for the bisected lines were measured. Correlation between the results of CALBT and conventional line bisection test and Albert test was evaluated.
Results
In patients with right hemispheric lesion, resultsof CALBT demonstrated shifting of attention to the right hemifield and neglect of the stimulus in the left hemifield. In contrast, patients with left hemispheric lesion showed significantly decreased attention to the right hemifield and shifting of attention to the left hemifield. Performances of CALBT correlated with the line bisection test, but not with the Albert test.
Conclusion
Computed assisted line bisection task can be used for the quantitative assessment of the sensory attentional aspect of visuospatial attention in patients with unilateral neglect. (J Korean Acad Rehab Med 2006; 30: 1-6)
Key Words: Visuospatial neglect, Computer assisted line bisection test, Sensory-Attention, Stroke
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