预测性语音规划的神经和行为动力学
Emma Berthault1, Sophie Chen1, Sonja A Kotz2,3,4
1Aix-Marseille University.
Journal of cognitive neuroscience
|September 30, 2025
概括
语音生产时间受预测处理的影响. 高可预测性加快反应和改变神经活动,表明预测积极塑造语言.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 语音制作研究 语言制作研究
背景情况:
- 交谈动态在很大程度上依赖于时间和预测,特别是轮流交谈.
- 预测处理的神经标记在语言理解中建立,但在语音生产中不太了解.
研究的目的:
- 通过结合EEG和行为方法来研究语音产生中的预测机制.
- 检查句子特征 (重复,长度,cloze概率) 对语音时间和神经活动的影响.
主要方法:
- 利用一个用图像提示的口头句子完成任务.
- 记录脑电图 (EEG) 来测量神经活动,专注于准备潜力 (RP).
- 系统地操纵了句子的重复,长度和cloze概率.
主要成果:
- 高cloze概率句子在特定条件下导致更快的反应时间 (RTs) (没有先前预测,短句).
- 更快的RT与明显的准备能力 (RP) 幅度相关.
- 准备潜力 (RP) 动态预测了语音发作,表明它在运动准备和响应时间方面发挥了作用.
结论:
- 研究结果支持用于语音生产的预测性决策框架.
- 理解,预测和运动执行被提出为语音生成中的连续互动过程.
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