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유미(M. Yu),정선용(S. Y. Jung),박용군(Y. J. Piao),이상민(S. M. Lee),권대규(T. K. Kwon),홍철운(C. U. Hong),김남균(N. G. Kim) 한국정밀공학회 2005 한국정밀공학회 학술발표대회 논문집 Vol.2005 No.10월
The purpose of this work is to study a process organization on space cognition by visio-auditory stimulation. We develop the system of visuo-auditory stimulation and Humans responses measurement to observe the relationship between the sensory and the motor system for the localization of visual and auditory target direction in the space. The experiments is performed in a soundproof chamber, 2163 red, green and yellow LED(Luminescent Diode, Brightness: 20cd/㎡, 1 degree apart each other)arrayed in front of half-circle panel were used and 57 Speaker(5 degree apart each other) arrayed in the hidden of half-circle panel. Physiological parameters such as EOG (Electro-Oculography), head movement and their synergic control are measured by BIOPAC system and Optotrak Certus. This result shows that the response latency time of the perception motion in the center is faster than the periphery of panel. These results can be used in the study of characterizing the spatial cognition.
싸이클형 하지운동을 이용한 조기 재활훈련 운동기기 개발
유미(M. Yu),박용군(Y. J. Piao),정구영(G. Y. Jeong),권대규(T. K. Kwon) 한국재활복지공학회 2011 한국재활복지공학회 학술대회논문집 Vol.2011 No.11
We investigated an early rehabilitation training system that increase the intensity of patient rehabilitation training to shorten the time it takes for patients to progress to a secondary rehabilitation training stage by allowing patients incapable of self-ambulation. It consisted of tilting bed, cycle ergometer for lower-limb exercise and training program. We performed experimental study on the muscular activities of Rectus FernoristRl"), Biceps Fernoristfsf"), tibialis anterior(T"A), gastrocnemius(GA) in the right lower-limb during cycling at tilt angle of 0, 30 and 60°. The muscle activities were higher at lower tilt angle. The results indicate that the early rehabilitation training system could be applied to improve the lower extremity muscular strength for elderly and patients, especially, stroke.