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KMID : 1036120150070020065
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Korean Society of Medicine & Therapy Science
2015 Volume.7 No. 2 p.65 ~ p.74
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Impact of a Task-Oriented Approach using ‘Reaching’ and ‘Grasping’ on Visual Perception and Vision Recognition Ability
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Lee Yong-Ju
Ahn Myung-Hwan
Kim Sung-Shin
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Abstract
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Objective: The purpose of this study was to investigate how a task-oriented approach that applies ‘reaching’ and ‘grasping’, which can influence the visual perception processing path and domain, affects overall visual perception and vision recognition ability.
Method: A total of 30 patients with damaged visual perception ability due to brain injury were randomly divided into an study and a control group. The study group underwent therapy involving a task-oriented approach that used ‘reaching’ and ‘grasping’ tasks. The control group received an existing general visual perceptive rehabilitation therapy. The overall visual perception ability, response speed and accuracy, visual attentiveness, and concentration change were assessed in both groups using MVPT-3, Dynavision, and Visual CPT. Data were analyzed by repeated measure ANOVA and ANCOVA. Statistical significance was set at p<.05.
Results: Both groups showed a significant increase in overall visual perception ability, visual response speed and accuracy, and visual concentration and attentiveness after the therapy. No significant differences were noted between the two groups in overall visual perception ability. However, the results of the visual concentration and attentiveness test of the Visual-CPT showed a significant increase of reaction time in the study group compared to the control group.
Conclusion: This study confirmed that a task-oriented approach using ‘reaching’ and ‘grasping’ can be a beneficial treatment for visual perception rehabilitation, with similar effectiveness to that of the visual perception task-based rehabilitation approach in general use.
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KEYWORD
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Visual perception, Vision recognition, Reaching, Grasp
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