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Changes in Verbal Cognitive Performance, Blood Oxygen Saturation and Heart Rate due to 30% Oxygen Administration  

Chung Soon Cheol (건국대학교 의학공학부)
Sohn Jin Hun (충남대학교 심리학과)
Tack Gye Rae (건국대학교 의학공학부)
Yi Jeong Han (건국대학교 의학공학부)
Publication Information
Journal of the Korean Society for Precision Engineering / v.22, no.4, 2005 , pp. 173-180 More about this Journal
Abstract
In this study, changes in verbal cognitive performance, blood oxygen saturation and heart rate due to 30％ concentration oxygen supply were observed. Five male (24.6±0.9) and five female (22.2±1.9) college students were asked to perform 28 verbal cognitive tasks of the same difficulty during two types of oxygen (concentration 21％, 30％) administration. The experimental sequence consisted of Rest1 (1 min.), Control (1 min.), Task (4 min.), and Rest2 (4 min.) and the physiological signals such as blood oxygen saturation and heart rate were measured throughout the stages. The experimental result showed that the performance increased significantly at 30％'s concentration of oxygen rather than 21％'s, which shows oxygen supply has positive influence on verbal cognitive performance. When 30％ concentration oxygen is supplied, the oxygen saturation in the blood significantly increased comparing to 21％. The heart rate showed no significant difference. Significant correlations were found between changes in oxygen saturation and cognitive performance. It is suggested that 30％ oxygen can stimulate brain activation by increasing actual blood oxygen concentration in the process of cognitive performance.
Keywords
Verbal cognitive performance; Blood oxygen saturation; Heart rate; 30% Oxygen administration;
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Times Cited By KSCI : 1  (Citation Analysis)
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