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用有创性放射检查 ,如Wada试验 ,确定人的功能性半球侧别已得到确认。功能性磁共振成像 (fM RI)在这方面的应用价值也得到认可。“功能性”经颅多普勒超声 (fTCD)能通过检测脑血液流速的变化来显示脑的活动。本研究旨在确定fTCD是否能发现半球侧别并用fMRI
With invasive radiography, such as the Wada test, it has been confirmed that the human hemisphere has been identified. Functional magnetic resonance imaging (fM RI) in this area has also been recognized for its value. “Functional” transcranial Doppler ultrasound (fTCD) can show brain activity by measuring changes in cerebral blood flow. The aim of this study was to determine if fTCD could detect hemisphere side and use fMRI