V2EX raster plot

Raster Plot

释义 Definition

raster plot(光栅图/点阵图):一种把离散事件按时间排列、并按试次或个体(如神经元、重复实验)分行显示的图形。最常见于神经科学中,用来展示神经元放电(spikes)在多次试验中的时间分布与模式。(在其他领域也可指“按行扫描/点阵方式呈现的事件图”。)

发音 Pronunciation (IPA)

/rstr plt/(美式常见)
/rstr plt/(英式常见)

例句 Examples

The raster plot shows when each neuron fired.
光栅图显示了每个神经元在什么时候放电。

Across 50 trials, the raster plot reveals a burst of spikes shortly after the stimulus, followed by a quieter period.
在50次试验中,光栅图显示刺激后不久出现一阵密集放电,随后进入较安静的阶段。

词源 Etymology

raster原指“扫描/点阵”的显示方式(与图像逐行扫描、由网格/点阵构成有关),常用于计算机图形学与显示技术;plot来自英语中“绘图、图表”。合在一起,raster plot强调把事件像“点阵”一样按时间与行(试次/对象)排列出来的可视化方式。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Theoretical Neuroscience(Peter Dayan & L. F. Abbott)常用光栅图展示神经元放电与刺激响应。
  • Spikes: Exploring the Neural Code(Fred Rieke 等)以光栅图与相关图表讨论神经编码。
  • Neuronal Dynamics(Wulfram Gerstner 等)在神经元模型与实验数据可视化中频繁出现“raster plot”。
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