imported>Daniel Mietchen |
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| == Summary == | | == Summary == |
| {{Image_Details
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| |description = [[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]]).
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| |author = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]]
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| |copyright = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]]
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| |source = Fig. 1 from {{CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2}}
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| |date-created = June 26, 2006
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| |pub-country = United States
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| |notes =
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| |versions = [[:Image:CO2-O2-fMRI-all.png]] and [[:Image:Brain-MRI-location-guide.png]]
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| }}
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| == Licensing/Copyright status ==
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| {{CC|by|2.5}}
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