Schmidt-Kassow Maren, Kotz Sonja A
Research Group Neurocognition of Rhythm in Communication, Max Planck Institute for Human Cognitive and Brain Sciences, Stephantrasse 1a, 04103 Leipzig, Germany.
Brain Res. 2008 Aug 21;1226:144-55. doi: 10.1016/j.brainres.2008.06.017. Epub 2008 Jun 16.
Synchronization of two independent systems is a widely discussed phenomenon observed in many disciplines. Recent studies have shown its relevance to cognitive functions. However, its influence on language perception has not yet been investigated. As successful syntactic processing relies on rules that enable the listener to predict the category of the next incoming element, such prediction can be maximized if the auditory speech input is temporally regular and hence motivates synchronization. For this reason, the present ERP-experiments investigated the influence of successful synchronization in auditory syntactic processing. Our results clearly demonstrate that late syntactic processes (P600) are controlled by a temporally regular input. In particular, the latency of the P600 varies as a function of the duration of a pre-determined interval between successive elements. The current data therefore attest the impact of synchronization on higher level cognitive processes such as syntax in language.
两个独立系统的同步是一个在许多学科中都被广泛讨论的现象。最近的研究表明它与认知功能有关。然而，其对语言感知的影响尚未得到研究。由于成功的句法处理依赖于使听者能够预测下一个传入元素类别的规则，如果听觉语音输入在时间上是规则的，从而促进同步，那么这种预测就能达到最大化。出于这个原因，目前的ERP实验研究了成功同步在听觉句法处理中的影响。我们的结果清楚地表明，晚期句法过程（P600）受时间规则输入的控制。特别是，P600的潜伏期会随着连续元素之间预定间隔的持续时间而变化。因此，当前的数据证明了同步对诸如语言句法等高级认知过程的影响。
