가상현실치료프로그램이 만성 뇌졸중 환자의 상지기능 회복과 뇌 재조직화에 미치는 사례보고
Therapeutic Virtual Reality Program in Chronic Stroke Patients Recovery of Upper Extremity and Neuronal Reorganization
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최근 컴퓨터와 영상 기술의 발전으로 실제와 같은 가상의 현실을 보다 효율적으로 훈련할 수 있는 가상현실 프로그램이 여러 분야에서 시도되고 있다. 이러한 프로그램을 이용하여 두 명의 만성 뇌졸중 환자의 상지에 집중적 훈련을 실시함으로서 상지기능의 회복과 이에 따른 뇌의 재조직화를 연구하였다. 상지 훈련 프로그램은 하루 1시간, 주 5회, 4주 동안 집중적으로 적용되었다. 훈련 전후 퍼글-마이어 검사, 상자와 나무토막 검사, 상지기능 검사를 평가하였고 기능적 자기공명영상장치를 이용하여 대뇌 피질의 활성도 변화를 측정하였다. 훈련 적용 후, 상지 기능은 현저하게 증가하였고, 뇌 활성도는 정상인에서 관찰되는 유사한 패턴으로 변화하였다. 따라서, 가상현실 프로그램은 만성 뇌졸중 환자의 상지기능 회복에 효과적이며 뇌 재조직화를 촉진하였고, 이는 대상자에게 흥미를 유발하고 환경과 상호 작용하는 능력을 제공하였기 때문이라 추정된다.
Abstract
This case report was to investigate the effect of virtual reality program on cortical reorganization and the related clinical function test, which applied to two chronic stroke patients with intensive massed practice protocol. They have three different tasks applied to paretic upper extremity in virtual reality program for one hour per day, five times per week during four weeks. Cortical activation and motor function test were measured by functional MRI, Fugl-Meyer assessment, Box and Block & Manual Function Test before and after VR program. Findings reveals that the change of cortical reorganization showed a similar pattern to that seen in normal adults and the clinical function test were greatly improved. Thus, Virtual reality program has the capability of creating an interactive, motivating environment in which participants give attention to, and that these environments can be manipulated to create individualized treatments.
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