File:CO2-O2-fMRI-A-left.png: Difference between revisions
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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]] | |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]]). | ||
|author = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]] | |author = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]] | ||
|copyright = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]] | |copyright = [[CZ:Ref:Macey 2007 Hyperoxic brain effects are normalized by addition of CO2|Macey et al., 2007]] | ||
Revision as of 09:49, 27 May 2010
Summary
| Title / Description
|
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 (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% O2 by CO2 greatly reduced most responses. Statistical threshold 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). |
|---|---|
| Author(s)
|
Macey et al., 2007 |
| Copyright holder
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Macey et al., 2007 See below for license/re-use information. |
| Source
|
Fig. 1 from Macey PM, Woo MA, Harper RM (2007). "Hyperoxic brain effects are normalized by addition of CO2". PLoS Med 4 (5): e173. DOI:10.1371/journal.pmed.0040173. PMID 17518514. PMC PMC1872042. Research Blogging. [e] |
| Date created
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June 26, 2006 |
| Country of first publication
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United States |
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