According to characteristics of the evoked response to stimulating GSN, the neurons in the left anterior cingulate gyrus (ACG) could be classified into visceral nociceptive neurons (VNNs, 89.13%) and non visceral nociceptive neurons(NVNNs, 10.87%).

• 根据神经元对电刺激内脏大神经产生诱发反应的特性 ；将其分为内脏伤害感受神经元 ( 89.；13%25 )和内脏非伤害感受神经元 ( 10