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Visuospatial Cognitive Performance Following Oxygen Administration in Healthy Young Men  

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)
Publication Information
Journal of Korean Institute of Industrial Engineers / v.30, no.1, 2004 , pp. 11-16 More about this Journal
Abstract
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.
Keywords
visuospatial cognition; cognitive performance; oxygen administration;
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