To comprehend speech sounds, listeners tune in to speech rate information in the proximal (immediately adjacent), distal (nonadjacent), and global context (further removed preceding and following sentences). Effects of global contextual speech rate cues on speech perception have been shown to follow constraints not found for proximal and distal speech rate. Therefore, listeners may process such global cues at distinct time points during word recognition. We conducted a printed-word eye-tracking experiment to compare the time courses of distal and global rate effects. Results indicated that the distal rate effect emerged immediately after target sound presentation, in line with a general-auditory account. The global rate effect, however, arose more than 200 ms later than the distal rate effect, indicating that distal and global context effects involve distinct processing mechanisms. Results are interpreted in a 2-stage model of acoustic context effects. This model posits that distal context effects involve very early perceptual processes, while global context effects arise at a later stage, involving cognitive adjustments conditioned by higher-level information. (PsycInfo Database Record (c) 2020 APA, all rights reserved).

中文翻译：

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眼动追踪远端和全球语速效应的时间进程。

为了理解语音，听者会在近端（紧邻）、远端（不相邻）和全局上下文（进一步删除前后句子）中调到语速信息。全局上下文语速提示对语音感知的影响已被证明遵循未发现的近端和远端语速的约束。因此，听者可能会在单词识别过程中的不同时间点处理此类全局线索。我们进行了印刷文字眼动追踪实验，以比较远端和全局速率效应的时间进程。结果表明远端频率效应在目标声音呈现后立即出现，与一般听觉描述一致。然而，全局速率效应比远端速率效应晚 200 毫秒出现，表明远端和全局上下文效应涉及不同的处理机制。结果在声学环境效应的 2 阶段模型中进行解释。该模型假设远端情境效应涉及非常早期的知觉过程，而全局情境效应则出现在后期，涉及以更高层次信息为条件的认知调整。（PsycInfo 数据库记录 (c) 2020 APA，保留所有权利）。