Time course EPI of human brain function during task activation

Magnetic Resonance in Medicine - Tập 25 Số 2 - Trang 390-397 - 1992
Peter A. Bandettini1, Eric C. Wong1, R. Scott Hinks2, Ronald S. Tikofsky1, James S. Hyde1
1Dapartment of Radiology, Medical College of Wisconsin, Milwaukee, Wisconsin 53226
2Applied Science Laboratory, GE Medical System, Waukesha, Wisconsin 53288

Tóm tắt

Abstract

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. © 1992 Academic Press, Inc.

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