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 95% oxygen and 5% [[carbon dioxide]] ([[hypercapnia|hypercapnic]] hyperoxia). Green overlays of regions of significant signal response in 14 children at five successive time periods during the challenges (time scale below images). For location guide, see [[:Image:Brain-MRI-location-guide.png]]. As shown by images in the top rows, multiple [[brain region]]s responded to hyperoxia, but addition of 5% CO2 to the gas mixture altered the timing or greatly reduced most responses (bottom rows), and eliminated all responses after 48 s. [[Statistical threshold]] [[probability of error|p]] = 0.05, [[false discovery rate]] correction.
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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. 2 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-hyperoxia-over-time.png]] and [[:Image:CO2-O2-fMRI-all-over-time.png]]
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| }}
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| == Licensing/Copyright status ==
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| {{CC|by|2.5}}
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