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International Journal of Neuroscience Volume 116, 2006 - Issue 2
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Original

THE EFFECT OF OXYGEN ADMINISTRATION ON VISUOSPATIAL COGNITIVE PERFORMANCE: TIME COURSE DATA ANALYSIS OF fMRI

SOON-CHEOL CHUNG Department of Biomedical Engineering, Konkuk University, ChungjuSouth Korea
,
BONGSOO LEE Department of Biomedical Engineering, Konkuk University, ChungjuSouth Korea
,
GYE-RAE TACK Department of Biomedical Engineering, Konkuk University, ChungjuSouth Korea
,
JEONG-HAN YI Department of Biomedical Engineering, Konkuk University, ChungjuSouth Korea
,
JI-HYE YOU Department of Biomedical Engineering, Konkuk University, ChungjuSouth Korea
&
SANG-HEE SON School of Electronics and Information Engineering, Cheongju University, CheongjuSouth Korea
Pages 177-189 | Received 28 Jan 2005, Published online: 07 Jul 2009
 
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Abstract

This study investigated the effects of 30% oxygen administration on visuospatial cognitive ability using time course data analysis of fMRI. A visuospatial task was presented while brain images were scanned by a 3T MRI system. The results showed that there was an improvement in performance and also increased BOLD intensity in the parietal lobe in the higher oxygen condition. There was positive relation between behavior performance and BOLD intensity in the right parietal lobe. This result supports the conclusion that the increase in the cognitive processing ability due to highly concentrated oxygen can be explained by the increase in the BOLD intensity.

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