unconditioned reflex

…In this case, the bell is called the conditioned stimulus (abbreviated as CS), and the food or electric shock is called the unconditioned stimulus (abbreviated as US). The reaction caused by the conditioned stimulus is called the conditioned reflex (abbreviated as CR), and the reaction caused by the unconditioned stimulus is called the unconditioned reflex (abbreviated as UR). The operation of combining the conditioned stimulus and the unconditioned stimulus is called reinforcement. …

*Some of the terminology that mentions "unconditioned reflex" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…このときベル音を条件刺激conditioned stimulus(略称CS)といい，食餌や電撃を無条件刺激unconditioned stimulus(略称US)という。また条件刺激によってひき起こされる反応を条件反射conditioned reflex(略称CR)，無条件刺激でひき起こされる反応を無条件反射unconditioned reflex(略称UR)という。条件刺激と無条件刺激を組み合わせて与える操作を強化reinforcementという。…

※「unconditioned reflex」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報