V2EX spike timing

Spike Timing

Definition / 定义

spike timing(神经科学/信号处理)“脉冲(尖峰)发放的时间特征”,常指神经元动作电位(spike)发生的具体时刻及其相对时序;用于研究信息如何通过放电时间编码与传递(例如与刺激出现时间、其他神经元放电时间的关系)。

Pronunciation / 发音

/spak tam/

Examples / 例句

Spike timing can change when the stimulus gets stronger.
当刺激更强时,脉冲发放的时间特征可能会改变。

By analyzing spike timing across many neurons, researchers can infer how the brain encodes sensory information with millisecond precision.
通过分析许多神经元的脉冲发放时序,研究者可以推断大脑如何以毫秒级精度编码感觉信息。

Etymology / 词源

spike 原义为“尖刺/尖峰”,在神经科学里引申为记录到的尖峰样电信号(动作电位在波形上呈尖峰);timing 来自 “time(时间)”,表示“时间安排/时序”。合起来即“尖峰信号发生的时刻与时序”。

Related Words / 相关词

Notable Works / 作品例证

  • Spikes: Exploring the Neural Code(Fred Rieke, David Warland, Rob de Ruyter van Steveninck, William Bialek)
  • Theoretical Neuroscience: Computational and Mathematical Modeling of Neural Systems(Peter Dayan, L.F. Abbott)
  • Spiking Neuron Models(Wulfram Gerstner, Werner M. Kistler)
  • Principles of Neural Science(Eric R. Kandel 等)
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