V2EX corollary discharge

Corollary Discharge

释义 Definition

(神经科学/心理学)伴随运动指令一起发出的“副本”信号,用于让大脑预测由自身动作带来的感觉变化,从而区分“外界刺激”与“自己造成的感觉”。常与 efference copy(传出拷贝) 近义;在不同理论框架中用法略有差异。

发音 Pronunciation (IPA)

/krlri dstrd/

例句 Examples

When you move your eyes, a corollary discharge helps keep the world stable.
当你转动眼睛时,伴随放电帮助你保持对世界的稳定感知。

Researchers argue that without corollary discharge, the brain would misinterpret self-generated sensations as external events, complicating perception and agency.
研究者认为,如果没有伴随放电,大脑可能会把自己动作产生的感觉误当作外界事件,从而让知觉与“自主感/能动性”的判断变得更困难。

词源 Etymology

corollary 源自拉丁语 corollarium,原意指“附加的小赠品/补充项”,引申为“推论、附带结果”;discharge 来自古法语 descharger(卸下负担、释放),在生理学语境中常指神经元“放电/释放信号”。合起来表示:随主要运动信号“附带释放”的预测性信息。

相关词 Related Words

文学与著作 Literary Works

  • The Principle of Reafference(von Holst & Mittelstaedt,1950)讨论与“伴随放电/传出拷贝”密切相关的再传入机制。
  • Principles of Neural Science(Kandel 等)在感觉-运动整合与知觉稳定等章节常提及相关概念。
  • The Oxford Handbook of Cognitive Neuroscience(相关章节)涉及动作预测、主体感与内部模型时常出现该术语。
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