Analysis of Decision-Reaction Time in Hemiparkinson's Disease

J Korean Neurol Assoc > Volume 12(3); 1994 > Article

Journal of the Korean Neurological Association 1994;12(3): 512-517.

편측성 파킨슨병에서 판단-반응시간의 분석

전범석, 이기형,박성호

서울대학교 신경과. 보라매병원 신경과.

Analysis of Decision-Reaction Time in Hemiparkinson's Disease

Beom-S. Jeon, M.D., Ki-Hyeong Lee, M.D., Seong-Ho Park, M.D.

Department of Neurology, College of Medicine, Seoul National University, Department of Neurology, Boramae City Hospital

Abstract

15 parkinsonian patients with mainly unilateral symptoms (right side 10, left side 5) were studied in a decision reaction time (DRT) experiment in which the performance of the more affected hand was compared with that of the less affected hand. Decision time (DT) was longer in the more affected hand, however, the movement time (MT) did not differ between the two hands. In conclusion, slowness of movement in complex reaction response in Parkinsonian patients may be attributable to the defect of premovement central neural processing related to motor planning.