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Noninvasive measurement of cerebral oxygen saturation and cerebral phronetal function

机译:脑血氧饱和度和脑肾功能的无创测量

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Abstract: Using the Near-Infrared Spectroscopy (NIRS), the noninvasive measurement of cerebral oxygen concentration can be achieved in vivo based on the Lambert-Beer Law. In this paper, we discuss the possibility of studying higher brain functions through combining cerebral oxygen saturation and cerebral function measurement. Event-related experiments are introduced to measure the cerebral phronetal function. Time domain curves show sight differences among these experiment results. However, with the aid of DFT, experiment data of all five human volunteers show the frequency near 20 Hz or 40 Hz is evoked depending on the difficulty of the mental tasks. The results demonstrate the feasibility of cerebral functions study by means of cerebral oxygen saturation measurement analyzed in the frequency domain. !11
机译:摘要:使用近红外光谱法(NIRS),可以根据兰伯特-比尔定律在体内进行脑氧浓度的无创测量。在本文中,我们讨论了通过结合脑血氧饱和度和脑功能测量来研究高级脑功能的可能性。引入与事件相关的实验来测量脑部肾功能。时域曲线显示了这些实验结果之间的视差。然而,借助DFT,所有五位志愿者的实验数据表明,根据脑力劳动的难度,诱发的频率接近20 Hz或40 Hz。结果证明了通过在频域中分析脑血氧饱和度来研究脑功能的可行性。 !11

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