首页> 美国卫生研究院文献>AJNR: American Journal of Neuroradiology >Are the Local Blood Oxygen Level–Dependent (BOLD) Signals Caused by Neural Stimulation Response Dependent on Global BOLD Signals Induced by Hypercapnia in the Functional MR Imaging Experiment? Experiments of Long-Duration Hypercapnia and Multilevel Carbon Dioxide Concentration
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Are the Local Blood Oxygen Level–Dependent (BOLD) Signals Caused by Neural Stimulation Response Dependent on Global BOLD Signals Induced by Hypercapnia in the Functional MR Imaging Experiment? Experiments of Long-Duration Hypercapnia and Multilevel Carbon Dioxide Concentration

机译:是由神经刺激响应引起的本地血氧水平依赖性(粗体)信号取决于功能性MR成像实验中的Hypercapnia诱导的全局大胆信号吗?长期高曲线和多级二氧化碳浓度的实验

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摘要

BACKGROUND AND PURPOSE: The relationship between the local blood oxygen level–dependent (BOLD) signals caused by neural stimulation (fBOLD) and the global BOLD signals induced by hypercapnia (hBOLD) has not been fully investigated. In this study, we examine whether fBOLD is modulated by hBOLD signals, by means of experiments using a relatively wide range of inhaled carbon dioxide (CO2) for a long duration of 5 minutes.
机译:背景论文摘:由神经刺激(FBOLD)引起的局部血氧水平依赖性(粗体)与由Hypercapnia(HBOMD)引起的全局大胆信号之间的关系尚未得到充分研究。在这项研究中,通过使用相对宽的吸入二氧化碳(CO2)的实验,检查FBOLD是否通过HBOMD信号调节了HBOMD信号的持续时间长5分钟。

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