IE interfaces (산업공학)

Korean Institute of Industrial Engineers (대한산업공학회)
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The Effect of 30% Oxygen on the Memory Performance, Hyperoxia and Heart Rate

30% 농도의 산소 공급이 기억력, 혈중 산소 농도, 심박률에 미치는 영향

  • Received : 2004.07.18
  • Accepted : 2005.03.24
  • Published : 2005.06.30
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Abstract

In this study, changes in memory performance, blood oxygen saturation and heart rate according to 30% concentration oxygen supply were observed. Ten healthy male and female college students (male:$25.8{\pm}0.8$ years, female: $24.2{\pm}1.9$ years) participated in the study. The experiment was performed as Rest (1min.), Control task (1min.), Word presentation (1min.), Reaction time task (1min.), Distractor (2min.), and Word recall (1min.) and the physiological signals such as blood oxygen saturation and heart rate were measured throughout the stages. Subjects who received 30% oxygen recalled more words than those who received 21% oxygen, which shows 30% oxygen supply has influenced positively on memory cognitive performance. When 30% concentration oxygen is supplied, the blood oxygen saturation in the task phases was increased and the heart rate decreased when comparing to 21%. It means that 30% oxygen can stimulate brain activation by increasing actual blood oxygen concentration in the process of cognitive performance, and the heart rate decreases because enough oxygen is supplied to process the cognitive performance.

Keywords

References

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