脑电信号是从头皮表面记录到的脑细胞群的自发性电活动。
Electroencephalogram (EEG) is the spontaneous electrical activity recording of brain cells from scalp.
为探讨非肾上腺素能非胆碱能神经递质对胃窦环行肌功能的调节作用，在离体胃平滑肌上观察了嘌呤拟似物对胃窦环行肌自发性收缩活动和电活动的影响。
Objective: to observe the effects of water extracts of Pericarpium Arecae on contraction of isolated circular muscle strips of gastric body in guinea pigs and to explore its possible mechanisms.
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