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首页> 外文期刊>Behavioral and Brain Sciences >Phylogenetic reorganization of the basal ganglia: A necessary, but not the only, bridge over a primate Rubicon of acoustic communication
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Phylogenetic reorganization of the basal ganglia: A necessary, but not the only, bridge over a primate Rubicon of acoustic communication

机译：基底神经节的系统发育重组：灵长类动物Rubicon声学交流的必要但非唯一的桥梁

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In this response to commentaries, we revisit the two main arguments of our target article. Based on data drawn from a variety of research areas-vocal behavior in nonhuman primates, speech physiology and pathology, neurobiology of basal ganglia functions, motor skill learning, paleoanthropological concepts-the target article, first, suggests a two-stage model of the evolution of the crucial motor prerequisites of spoken language within the hominin lineage: (1) monosynaptic refinement of the projections of motor cortex to brainstem nuclei steering laryngeal muscles, and (2) subsequent "vocal-laryngeal elaboration" of cortico-basal ganglia circuits, driven by human-specific FOXP2 mutations. Second, as concerns the ontogenetic development of verbal communication, age-dependent interactions between the basal ganglia and their cortical targets are assumed to contribute to the time course of the acquisition of articulate speech. Whereas such a phylogenetic reorganization of cortico-striatal circuits must be considered a necessary prerequisite for ontogenetic speech acquisition, the 30 commentaries - addressing the whole range of data sources referred to-point at several further aspects of acoustic communication which have to be added to or integrated with the presented model. For example, the relationships between vocal tract movement sequencing - the focus of the target article - and rhythmical structures of movement organization, the connections between speech motor control and the central-auditory and central-visual systems, the impact of social factors upon the development of vocal behavior (in nonhuman primates and in our species), and the interactions of ontogenetic speech acquisition -based upon FOXP2-driven structural changes at the level of the basal ganglia-with preceding subvocal stages of acoustic communication as well as higher-order (cognitive) dimensions of phonological development. Most importantly, thus, several promising future research directions unfold from these contributions - accessible to clinical studies and functional imaging in our species as well as experimental investigations in nonhuman primates.
机译：在对评论的回应中，我们重新讨论了目标文章的两个主要论点。根据来自各种研究领域的数据-非人类灵长类动物的声音行为，言语生理学和病理学，基底神经节功能的神经生物学，运动技能学习，古人类学概念-目标文章首先提出了进化的两阶段模型人种谱系中口语的关键运动前提：（1）运动皮层投射到脑干核控制喉部肌肉的单突触细化，以及（2）随后的皮质基底神经节回路的“声带加工”由人类特异的FOXP2突变引起。第二，关于言语交际的本体发展，基底神经节与其皮质目标之间的年龄相关性相互作用被认为有助于获得清晰语音。皮层纹状体回路的这种系统发育重组必须被视为个体发育语音获取的必要先决条件，但30条评论-涉及到在声通信的其他几个方面所指向的数据源的全部范围，这些注释必须添加到或与提出的模型集成。例如，声道运动顺序（目标文章的重点）与运动组织的节奏结构之间的关系，语音运动控制与中央听觉和中央视觉系统之间的联系，社会因素对发展的影响声行为（在非人类灵长类动物和我们的物种中）以及个体发育语音习得的相互作用-基于FOXP2驱动的基底神经节水平的结构变化-以及先前的声音交流亚声阶段以及更高阶（语音发展的维度。因此，最重要的是，这些贡献展现出了一些有前途的未来研究方向-可用于我们物种的临床研究和功能成像以及非人类灵长类动物的实验研究。

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  • 来源
    《Behavioral and Brain Sciences》 |2014年第6期|577-604|共28页
  • 作者

    Hermann Ackermann; Steffen R. Hage; Wolfram Ziegler;

  • 作者单位

    Neurophonetics Group, Centre for Neurology-General Neurology, Hertie Institute for Clinical Brain Research, University of Tuebingen, D-72076 Tuebingen, Germany;

    Neurobiology of Vocal Communication Research Group, Werner Reichardt Centre for Integrative Neuroscience, and Institute for Neurobiology, Department of Biology, University of Tuebingen, D-72076 Tuebingen Germany;

    Clinical Neuropsychology Research Group, Municipal Hospital Munich-Bogenhausen, D-80992 Munich, and Institute of Phonetics and Speech Processing, Ludwig-Maximilians-University, D-80799 Munich, Germany;

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