Vestibular-neck interaction and transformation of sensory coordinates
Vestibular-neck interaction and transformation of sensory coordinates
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DOI：
10.1016/s0957-4271(96)00176-0
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发表时间：
1997-07-01
影响因子：
2.3
通讯作者：
Becker, W
中科院分区：
文献类型：
--
作者：
Mergner, T;Huber, W;Becker, W
本文以简单的描述模型的形式，讨论了前庭-本体感受相互作用对自我运动知觉和姿势控制的影响，指出前庭-颈部相互作用只是坐标变换的一个扩展机制的一小部分。这将我们身体的不同部分连接在一起，因此身体某个部分产生的感觉信息可以用于其他部分的感知或运动任务。特别强调了在低刺激频率/速度下前庭半规管系统中不完善的信号传导所引起的问题。此外，提出了“上下通道”原理，通过该原理，身体支撑通过坐标变换与前庭系统提供的物理空间的内部概念相联系。此外，解决了以下问题：大脑如何利用视觉输入来克服前庭缺陷，冒着视觉自我运动错觉的风险？最后，提出了一个概念模型的姿势控制，其中本体感觉反馈回路，将身体的支持表面合并为一个循环的姿势稳定的空间。(C)1997年爱思唯尔科学公司
The article considers findings and concepts on vestibular-proprioceptive interaction for self-motion perception and postural control under the form of simple describing models, It points out that vestibular-neck interaction is only a small fraction of an extended mechanism of coordinate transformations. This links together the different parts of our bodies, so that sensory information arising in one part of the body can be used for perceptual or motor tasks in other parts. Particular emphasis is put on the problems that arise from imperfect signal transduction in the vestibular semicircular canal systems at low stimulus frequencies/velocities, Also, a ''down-and-up-channeling'' principle is suggested, by which the body support is linked via coordinate transformations to the internal notion of physical space provided by the vestibular system, Furthermore, the following question is addressed: how does the brain use visual input to overcome the vestibular deficiencies, at the risk of visual self-motion illusions? Finally, a conceptual model of postural control is presented in which a proprioceptive feedback loop that links the body to its support surface is merged with a loop for postural stabilization in space. (C) 1997 Elsevier Science Inc.