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Event-Related Potentials as Indices of Time Processing: A Review

机译:事件相关电位作为时间处理的指标:综述

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摘要

This review examines ERP data that document the mechanisms and neural bases of time processing in the millisecond-to-minute range. Several types of ERP attest to the existence of timing capacities. Among them, one component of the Contingent Negative Variation (CNV) provides an on-line index of timing. CNV data strengthen the temporal accumulator concept, designed to subtend duration encoding. This conclusion is based on four main results: The positive relationship between temporal estimates and CNV amplitude is an index of the accumulation mechanism; the CNV peak is an index of time-based decision making; the CNV relates to temporal encoding, whereas temporal long-term memory may be linked to shifts of positive polarity; learning effects on CNV amplitude depend on topographic features, thus revealing functional differences among brain regions with respect to timing.
机译:这篇评论检查了ERP数据,这些数据记录了毫秒到分钟范围内时间处理的机制和神经基础。几种类型的ERP证明了计时能力的存在。其中,或有负变化(CNV)的一个组成部分提供了在线时间指标。 CNV数据强化了时间累加器概念,旨在对付持续时间编码。该结论基于四个主要结果:时间估计与CNV振幅之间的正相关关系是累积机制的指标; CNV高峰是基于时间的决策指标; CNV与时间编码有关,而时间长期记忆可能与正极性的偏移有关; CNV振幅的学习效果取决于地形特征,因此揭示了大脑区域之间在计时方面的功能差异。

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