为了引起重复反应，在皮层表面刺激所需的刺激强度比将刺激电极尖端插在座层深1毫米处刺激所需的大几倍。
The repetitive responses were more easily set up when the tips of the stimulating electrodes were inserted 1 mm deep into the cortex than when they were just touching the cortical surface.
系统采用弱光刺激和表面电极记录，克服了传统的强光刺激及角膜电极记录给被试者带来的不适感和后遗影响。
The weak-light stimulator and surface-electrode are used to overcome the subject's unfitted sense led by Ganzifield stimulator and the cornea-touch electrode.
分别于手腕，肘下及肝上三个尺神经那位给予超大的电刺激，同时于FDI及ADM两处作表面电极记录。
We delivered supramaximal stimulations over the wrist, below elbow, and above elbow on the ulnar nerve and obtained the data of segmental CV of below elbow (BE) and across elbow (AE) from FDI and ADM.
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