1·Conditioned reflex, different from the inherent unconditioned reflex, is an advanced nervous activity gradually developing in human's life.
条件反射，不同于与生俱来的非条件反射，是人们在生活中建立起来的高级神经活动。
2·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.
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。