Hyperoxia: Difference between revisions
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imported>Daniel Mietchen (started as lemma) |
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{{Image|CO2-O2-fMRI-A-left.png|right|350px|[[fMRI|Functional magnetic resonance imaging]] of the [[human brain]] during gas challenges. Instead of normal air, the participants inhaled either pure [[oxygen]] ([[hyperoxia]] condition), or 95% oxygen and 5% [[carbon dioxide]] ([[hypercapnia|hypercapnic]] [[hyperoxia]]). Yellow (hyperoxia) and green (hypercapnic hyperoxia) overlays of regions of significant signal response in 14 children at any of five time successive periods during the challenges. Multiple brain regions responded to hyperoxia, but the addition of 5% O<sub>2</sub> by CO<sub>2</sub> greatly reduced most responses. [[Statistical threshold]] [[probability of error|p]] = 0.05, [[false discovery rate]] correction. The background image is a high-resolution scan from a single participant (normalized to [[Montreal Neurological Institute space]]).}} | |||
Revision as of 10:47, 27 May 2010
Hyperoxia [r]: An increased partial pressure of oxygen in the blood. [e]
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