V2EX efference

Efference

释义 Definition(中文)

efference(名词,较专业)指传出信息/传出神经冲动:从中枢神经系统(大脑、脊髓)发往外周(如肌肉、腺体)的神经信号,常与运动控制相关。日常英语中较少见,主要用于神经科学、生理学语境。

发音 Pronunciation(IPA)

/frns/

例句 Examples

The brain sends efference signals to the muscles to move your hand.
大脑向肌肉发送传出信号,让你的手移动。

In motor control, efference copy helps the brain predict the sensory consequences of an action.
在运动控制中,“传出拷贝”(efference copy)帮助大脑预测动作带来的感觉结果。

词源 Etymology(中文)

来自拉丁语构词:**ex-**(“向外”)+ ferre(“携带、带来”),含义是“向外携带/传出”。因此与 efferent(传出神经的)同源;与表示“向内输入”的 afference(传入信息)构成对比。

相关词 Related Words

文学与著作 Literary Works(出现示例)

  • Principles of Neural Science(Eric R. Kandel 等)在运动系统与感觉预测相关章节中常讨论传出信号与相关概念。
  • The Reafference Principle”(Erich von Holst & Horst Mittelstaedt)经典论文,涉及运动指令(efference)及其与感觉回传的关系。
  • Neuroscience: Exploring the Brain(Mark F. Bear 等)教材中常用 afference/efference 区分感觉输入与运动输出通路。
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