方法对大脑皮层功能活跃可引起的功能区代谢变化和血液动力学改变，以及这些改变对MR信号的影响进行了总结。
Methods the metabolic and hemodynamic changes induced by the functional activities in brain cortex and the relationship between these changes with the local MR signal were summarized.
激光散斑成像技术为研究超深低温作用下的脑皮层的血流动力学过程提供了一种崭新的手段。
Laser speckle imaging technology provides a new measure for studying CBF monitoring under the effect of the ultraprofound hypothermia.
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