Department of Biological and Medical Psychology, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway; Department for Medical Engineering, Haukeland University Hospital, Bergen, Norway.
Hear Res. 2014 Jan;307:121-35. doi: 10.1016/j.heares.2013.09.011. Epub 2013 Oct 7.
Verbal communication does not rely only on the simple perception of auditory signals. It is rather a parallel and integrative processing of linguistic and non-linguistic information, involving temporal and frontal areas in particular. This review describes the inherent complexity of auditory speech comprehension from a functional-neuroanatomical perspective. The review is divided into two parts. In the first part, structural and functional asymmetry of language relevant structures will be discus. The second part of the review will discuss recent neuroimaging studies, which coherently demonstrate that speech comprehension processes rely on a hierarchical network involving the temporal, parietal, and frontal lobes. Further, the results support the dual-stream model for speech comprehension, with a dorsal stream for auditory-motor integration, and a ventral stream for extracting meaning but also the processing of sentences and narratives. Specific patterns of functional asymmetry between the left and right hemisphere can also be demonstrated. The review article concludes with a discussion on interactions between the dorsal and ventral streams, particularly the involvement of motor related areas in speech perception processes, and outlines some remaining unresolved issues. This article is part of a Special Issue entitled Human Auditory Neuroimaging.
言语交流不仅仅依赖于对听觉信号的简单感知。相反，它是对语言和非语言信息的并行和综合处理，特别是涉及颞叶和额叶区域。这篇综述从功能神经解剖学的角度描述了听觉言语理解的内在复杂性。该综述分为两部分。在第一部分中，将讨论与语言相关结构的结构和功能不对称。综述的第二部分将讨论最近的神经影像学研究，这些研究一致表明，言语理解过程依赖于一个涉及颞叶、顶叶和额叶的层次网络。此外，研究结果支持言语理解的双通道模型，即背侧流用于听觉-运动整合，腹侧流用于提取意义，也用于处理句子和叙述。还可以证明左右半球之间存在特定的功能不对称模式。这篇综述文章最后讨论了背侧流和腹侧流之间的相互作用，特别是运动相关区域在言语感知过程中的参与，并概述了一些仍未解决的问题。本文是题为“人类听觉神经影像学”的特刊的一部分。
