中性刺激

手脚辨别任务中，疼痛刺激和中性刺激诱发的LPC差异显著；字母辨别任务中，不管刺激的极性，反应都没有差异，表明疼痛共情的晚期反应受到注意的影响。

In hands and feet discrimination task , pain stimulation , the neutral stimulus induced significant differences in the LPC . Letter discrimination task , regardless of the polarity of stimulation , responses were not different , late cognitive evaluation of empathy for pain are also modulated by attention .

你之所以害怕狗，是因为，某天有只狗向你跑来，狗是一个中性刺激。

For why you became afraid of dogs is that one day a dog came up and he was a neutral stimulus .

与中性刺激多次结合有效刺激而使有机体形成的条件反应。即是一种新的刺激引起已存在的反射反应。一种自动化的、非习得性的反应。

A type of learning in which a conditioned stimulus is paired with an unconditioned stimulus to elicit a reflex response or respondent behaviour-Also referred to as Pavlovian Conditioning .