Time course EPI of human brain function during task activation
Magnetic Resonance in Medicine · 1992 · 1.9K citations · 19 references
Using gradient-echo echo-planar MRI, a local signal increase of 4.3 +/- 0.3% is observed in the human brain during task activation, suggesting a local decrease in blood deoxyhemoglobin concentration and an increase in blood oxygenation. Images highlighting areas of signal enhancement temporally correlated to the task are created.
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Oxygenation‐sensitive contrast in magnetic resonance image of rodent brain at high magnetic fields
Seiji Ogawa, Tso‐Ming Lee, Asha S. Nayak et al. · Magnetic Resonance in Medicine · 1990
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Textbook of Medical Physiology
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