Beisteiner R, Gomiscek G, Erdler M, Teichtmeister C, Moser E, Deecke L
Neurologische Klinik, Universität Wien.
Radiologe. 1995 Apr;35(4):290-3.
Functional magnetic resonance imaging (FMRI) allows the measurement of functional cerebral blood flow changes occurring with specific tasks. However, the spatial relationship between neuronal activity and functional cerebral blood flow changes is not yet known. This study compares the center of neuronal activation (measured by magnetoencephalography) with that of the blood-flow response (measured by FMRI) to unilateral motor stimulation in eight subjects. The results show a mean localization difference of 1.6 cm and demand application of methodological improvements as recently suggested.
功能磁共振成像（FMRI）能够测量特定任务时发生的大脑功能性血流变化。然而，神经元活动与大脑功能性血流变化之间的空间关系尚不清楚。本研究比较了8名受试者在单侧运动刺激下，神经元激活中心（通过脑磁图测量）与血流反应中心（通过FMRI测量）的差异。结果显示平均定位差异为1.6厘米，这表明需要按照最近的建议进行方法改进。
