V2EX peristimulus

Peristimulus

释义 Definition(中文)

peristimulus(多用于科研语境)指“刺激前后的一段时间”或“围绕刺激发生的时间窗口”,常见于神经科学、心理生理学与实验心理学中,用来描述记录/分析信号(如脑电、神经放电、皮电等)时,以刺激出现为中心所取的时间段。
(也可见相关复合词:peristimulus time histogram, PSTH

发音 Pronunciation (IPA)

/prstmjls/

例句 Examples

The peristimulus interval was set from 200 to 800 milliseconds.
围刺激时间窗设定为从刺激前200毫秒到刺激后800毫秒。

We analyzed peristimulus firing rates to determine how quickly neurons responded to the cue and how long the effect persisted.
我们分析了围刺激的放电率,以判断神经元对线索的反应有多快,以及该效应持续多久。

词源 Etymology(中文)

由前缀 **peri-**(意为“在……周围/附近”)与 stimulus(“刺激”)构成,字面意思就是“在刺激周围(的)”,引申为以刺激为中心的时间范围。

相关词 Related Words

文献作品 Literary Works(出现语境示例)

  • Spikes: Exploring the Neural Code(Fred Rieke 等):讨论神经编码与放电分析时常涉及围刺激时间窗/统计方法。
  • Theoretical Neuroscience(Peter Dayan & L. F. Abbott):在神经反应分析与实验数据处理的语境中常见类似术语体系。
  • Journal of Neurophysiology(期刊):大量电生理研究使用“peristimulus”描述刺激对神经活动的时间锁定效应。
  • Handbook of Psychophysiology(John T. Cacioppo 等编):在事件/刺激锁定的生理信号分析方法中常出现相关表述。
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