대한산업공학회지 (Journal of Korean Institute of Industrial Engineers)

  • 제30권1호
  • /
  • Pages.11-16
  • /
  • 2004
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  • 1225-0988(pISSN)
  • /
  • 2234-6457(eISSN)
대한산업공학회 (Korean Institute of Industrial Engineers)
권호 표지

고농도 산소 공급에 따른 젊은 성인 남자의 공간지각 능력 변화

Visuospatial Cognitive Performance Following Oxygen Administration in Healthy Young Men

  • 정순철 (건국대학교 의과대학 의학공학부) ;
  • 탁계래 (건국대학교 의과대학 의학공학부) ;
  • 이정한 (건국대학교 의과대학 의학공학부) ;
  • 손진훈 (충남대학교 심리학과)
  • Chung, S.C. (Dept. of Biomedical Engineering, College of Medicine, Konkuk University) ;
  • Tack, G.R. (Dept. of Biomedical Engineering, College of Medicine, Konkuk University) ;
  • Yi, J.H. (Dept. of Biomedical Engineering, College of Medicine, Konkuk University) ;
  • Sohn, J.H. (Dept. of Psychology, Chungnam National University)
  • 발행 : 2004.03.31
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초록

Oxygen is an essential element for human beings' physical and mental activities, and in particular, plays an important role in brain functions. The present study attempted to investigate the effects of supply of highly concentrated (30%) oxygen on human ability of visuospatial cognition, compared to air of normal oxygen concentration (21%). This study sampled eight male university students (the average age: 23.5) as subjects. An equipment that supplies 21% and 30% oxygen at a constant rate of 8L/min was developed. Two types of questionnaire containing 20 questions were developed to measure the ability of visuospatial cognition, and accuracy and reaction time were calculated from the result of task performance. The average accuracy was $50.63{\pm}8.63$ [%] and $62.50{\pm}9.64$[%] for 21%and 30% oxygen respectively, and a statistically significant difference was found in the accuracy between the two types of oxygen. The average reaction time was $6.60{\pm}O.77$ [sec] and $7.23{\pm}0.69$ [sec] for 21%and 30% oxygen respectively, and a statistically significant difference was not found in the reaction time. The results showed that there is no difference in the average reaction time but the average accuracy rises with the supply of highly concentrated (30%) oxygen, indicating that the supply of highly concentrated oxygen has a partially positive effect on the ability of visuospatial cognition.

키워드

참고문헌

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