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Journal of the Korean Academy of Rehabilitation Medicine 1997;21(2):253-258.
Correlation of Visual Perceptual Dysfunction with Brain Lesion in Stroke Patients.
Chon, Joong Son , Chun, Sae Il , Yi, Yoon Kyoung , Jin, Mi Ryung , Lee, Byung Hee
1Department of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul, Korea.
2Department of Radiology, Yonsei University College of Medicine, Seoul, Korea.
뇌졸중 환자에서 시지각 장애와 뇌병변 부위와의 상관관계
전중선, 전세일, 이윤경, 진미령, 이병희*
연세대학교 의과대학 재활의학교실 및 진단방사선학교실*
Abstract

Visual perceptual dysfunction in stroke patients causes a failure in activties of daily living and learning. Therefore, the correct diagnosis and remediation of visual perceptual dysfunction are important.

Since the mechanism of visual perception is not well studied, it is difficult to treat visual perceptual dysfunction effectively. In this study, we tried to correlate visual perceptual dysfunction with anatomical lesion of brain for the use of visual perceptual training.

We assesed the visual perception and the brain lesions of fiftroke patients, with Motor-Free Visual Perception Test(MVPT), and brain computerized tommography respectively. The visual responses of contralateral side of the lesions were diminished. The raw score of MVPT was low in patients with lesions in both parietal and, right temporal lobes. The right parietal lobe lesions correlated with tests for figure-ground and visual closure, and the left parietal lobe lesions with visual processing time.

The result suggests that the right parietal lobe has an important role in visual perceptions. The right temporal, and the left parietal lobes as well as the subcortex of both hemisphere also has significant roles in visual perceptions.

Key Words: Stroke, Brain lesions, Visual perception


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