Psychology Glossary 7

All-or-none law: The rule that the size of the action potential is unaffected by increases in the intensity of stimulation beyond the threshold level.

全或无定律：刺激强度增加超过阈值时，动作电位的大小不受其影响的规律。

Altruism: Prosocial behaviors a person carries out without considering his or her own safety or interests.

利他主义：一个人不考虑自己的安全和利益而做出的亲社会行为。