The Impact of Transitional Movements and Non-Manual Markings on the Disambiguation of Locally Ambiguous Argument Structures in Austrian Sign Language (ÖGS)
The Impact of Transitional Movements and Non-Manual Markings on the Disambiguation of Locally Ambiguous Argument Structures in Austrian Sign Language (ÖGS)
复制标题
过渡运动和非手动标记对奥地利手语 (ÖGS) 局部歧义论证结构消歧的影响
作者：
J. Krebs;R. Wilbur;Phillip M. Alday;D. Roehm
先前对奥地利手语（ÖGS）词序变化的研究表明，人类处理系统倾向于将句首（格）模棱两可的论点解释为子句的主语（“主语偏好”）。促成当前报告的脑电图研究揭示了与主宾句子相比，宾主句子的更早的重新分析效果，特别是在协议标记符号开始移动之前。这些效果与两个参数在空间中被引用之前的时间点和/或在产生消歧符号之前的过渡手部运动有关。由于这些时间点在时间上接近，不清楚哪些视觉线索可以消除歧义；也就是说，非手动标记（身体/肩膀/头部向主体位置移动）或过渡手部运动是否解决了歧义。目前的门控研究进一步支持 ÖGS 中的消歧是由消歧符号运动之前发生的线索触发的。此外，本研究还证实了 ÖGS 中主体偏好的存在，再次表明手语者和说话者在独立于语言模态的语言处理过程中利用了类似的策略。尽管视觉线索导致歧义消除的最终作用（即非手动标记和过渡运动）需要进一步研究，但本研究表明它们在在线处理过程中提供了有关论证结构的重要信息。这一发现为赋予这些线索某种程度的语言地位提供了强有力的支持（至少在 ÖGS 中）。
Previous studies of Austrian Sign Language (ÖGS) word-order variations have demonstrated the human processing system’s tendency to interpret a sentence-initial (case-) ambiguous argument as the subject of the clause (“subject preference”). The electroencephalogram study motivating the current report revealed earlier reanalysis effects for object-subject compared to subject-object sentences, in particular, before the start of the movement of the agreement marking sign. The effects were bound to time points prior to when both arguments were referenced in space and/or the transitional hand movement prior to producing the disambiguating sign. Due to the temporal proximity of these time points, it was not clear which visual cues led to disambiguation; that is, whether non-manual markings (body/shoulder/head shift towards the subject position) or the transitional hand movement resolved ambiguity. The present gating study further supports that disambiguation in ÖGS is triggered by cues occurring before the movement of the disambiguating sign. Further, the present study also confirms the presence of the subject preference in ÖGS, showing again that signers and speakers draw on similar strategies during language processing independent of language modality. Although the ultimate role of the visual cues leading to disambiguation (i.e., non-manual markings and transitional movements) requires further investigation, the present study shows that they contribute crucial information about argument structure during online processing. This finding provides strong support for granting these cues some degree of linguistic status (at least in ÖGS).
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