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KMID : 0367320020130010076
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Journal of the Korean Academy of Child and Adolescent Psychiatry
2002 Volume.13 No. 1 p.76 ~ p.84
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NORMOBARIC OXYGEN(O₂)ADMINISTRATION EFFECT ON ATTENTION AND MEMORY FUNCTION IN TEENAGE ADOLESCENTS
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Kim Bung-Nyun
Kim Byung-Hyo
Kim Young-Mi
Cho Soo-Churl
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Abstract
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Objectives : This study was conducted to investigate the effect of oxygen on attention and memory functions in healthy adolescents.
Methods : The participant subjects were recruited from local advertisement All subjects are students attending ordinary middle and high school. Their degree of achievement was average or below average. Before the study, its nature and purpose were fully explained to the patients and their parents, and a written informed consent was obtained from each child´s parent and a written assent from each child for entire the procedure. The Ethics Committee and Clinical Research Committee of Gyeongsang National University Hospital approved the protocol.
For baseline assessment, all subjects received tests for attention and memory. All tests were conducted by 1 certified psychologist Stoop test, continuous performance test and trail making test A and B were used for evaluation of attention. As memory tests, we used memory assessment scale (MAS) , standardized memory assessment tools. Ten to fourteen days after initial assessments, same tests was applied to the same subjects after prior 5 minute oxygen inhalation.
Results : 1) Attention test : Improved performances in trail making part B, and stroop test were found in normobaric oxygen inhalation group compared to air inhalation group. Improved reaction time in those tests seemed to reflect the enhanced executive prefrontal activity.
2) Memory test : More words and digits memorization were found in short-term memory subscale score in MAS in oxygen inhalation group compared to air inhalation group. This fmding suggested the improved working memory function after oxygen inhalation.
Conclusion : Though interpreted cautiously, these results suggested that normobaric oxygen inhalation could enhance executive function and working memory of prefrontal lobe. Further study, however, should be performed to investigate the mechanism of effects of oxygen on cognitive enhancement.
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KEYWORD
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Oxygen inhalation, Adolescents, Memory, Attention
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