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Telephone artifact in EEG recordings

机译:EEG录音中的电话伪像

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The electroencephalogram (EEG) is meant to record cerebral activity but it also picks up electrical signals arising from extracerebral sites. The EEG record is frequently contaminated by electrical signals arising from the immediate patient environment giving rise to non-physiological artifacts. Non-physiological artifacts commonly arise from monitoring devices like infusion pumps and suctioning devices though electrical devices like mobile phones may also contaminate the EEG record 1. During inpatient video EEG recording of a patient, intermittent 30 Hz sharply contoured waveforms lasting 2 seconds were visualized (Fig 1,2) .
机译:脑电图(EEG)旨在记录大脑活动,但它也会拾取脑外部位产生的电信号。脑电图记录经常被患者周围环境引起的电信号污染,从而引起非生理性伪影。非生理伪影通常由诸如输液泵和抽吸装置之类的监视设备产生,尽管诸如移动电话之类的电气设备也可能污染EEG记录1。在患者的EEG录像中,可以观察到持续2秒的间歇性30 Hz清晰轮廓波形(图1,2)。

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