首页> 外文会议>Computational Neuroscience Meeting(CNS03); 20030705-09; Alicante(ES) >A method for real-time artifact filtering during simultaneous EEG/fMRI acquisition: preliminary results
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A method for real-time artifact filtering during simultaneous EEG/fMRI acquisition: preliminary results

机译:在同时进行EEG / fMRI采集过程中进行实时伪像滤波的方法:初步结果

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A standard EEG equipment was modified in order to work properly during ultra-fast MRI acquisitions. Changes include: amagnetic electrode cap, optical fiber link, shielding box for EEG amplifier, twisted low metal mass cable. The effects of the RF pulse and time varying magnetic fields were minimized by using a correct head cap wires locked environment montage and then removed with a simple subtraction algorithm during EEG/fMRI acquisition. Ballistocardio-gram artifact was also minimized at suitable levels by using a comfortable head position and immobilization.
机译:为了在超快速MRI采集过程中正常工作,对标准的EEG设备进行了修改。更改包括:无磁电极盖,光纤链路,EEG放大器的屏蔽盒,双绞线低金属质量电缆。通过使用正确的头帽导线锁定环境蒙太奇,可以将RF脉冲和时变磁场的影响最小化,然后在EEG / fMRI采集过程中使用简单的减法算法将其消除。通过使用舒适的头部位置和固定装置,也可以将心搏描记图的伪影降低到合适的水平。

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