Results The changes in blood oxygen level and the increased artial inflow result in the brain cortex functional MR signal, which displayed as slightly increased signal intensity in the active cortex.

 
  • 结果脑功能磁共振信号的产生主要与功能区血氧含量的改变、动脉血供增加引起的流入效应等因素有关,主要表现为功能区信号增高。
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