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The Interaction between Motion and Texture in the Sense of Touch
Journal of Neurophysiology ( IF 2.1 ) Pub Date : 2021-09-08 , DOI: 10.1152/jn.00583.2020
Colleen P Ryan 1, 2 , Gemma C Bettelani 3, 4 , Simone Ciotti 1, 2, 4 , Cesare Parise 5 , Alessandro Moscatelli 1, 2 , Matteo Bianchi 3, 4
Affiliation  

Besides providing information on elementary properties of objects-like texture, roughness, and softness-the sense of touch is also important in building a representation of object movement, and the movement of our hands. Neural and behavioral studies shed light on the mechanisms and limits of our sense of touch in the perception of texture and motion, and of its role in the control of movement of our hands. The interplay between the geometrical and mechanical properties of the touched objects, such as shape and texture, the movement of the hand exploring the object, and the motion felt by touch, will be discussed in this article. Interestingly, the interaction between motion and textures can generate perceptual illusions in touch. For example, the orientation and the spacing of the texture elements on a static surface induces the illusion of surface motion when we move our hand on it or can elicit the perception of a curved trajectory during sliding, straight hand movements. In this work we present a multiperspective view that encompasses both the perceptual and the motor aspects, as well as the response of peripheral and central nerve structures, to analyze and better understand the complex mechanisms underpinning the tactile representation of texture and motion. Such a better understanding of the spatiotemporal features of the tactile stimulus can reveal novel transdisciplinary applications in neuroscience and haptics.

中文翻译:

触觉中运动与纹理的相互作用

除了提供有关物体基本属性(如纹理、粗糙度和柔软度)的信息外,触觉对于构建物体运动和我们手部运动的表示也很重要。神经和行为研究揭示了我们触觉在感知纹理和运动方面的机制和限制,以及它在控制我们手部运动中的作用。本文将讨论被触摸物体的几何和机械特性之间的相互作用,例如形状和纹理、探索物体的手的运动以及触摸所感受到的运动。有趣的是,运动和纹理之间的相互作用会在触摸中产生感知错觉。例如,当我们在静态表面上移动手时,纹理元素在静态表面上的方向和间距会产生表面运动的错觉,或者在滑动、笔直的手部运动期间会引起弯曲轨迹的感知。在这项工作中,我们提出了一个多视角的观点,包括感知和运动方面,以及外周和中枢神经结构的反应,以分析和更好地理解支撑纹理和运动的触觉表征的复杂机制。更好地理解触觉刺激的时空特征可以揭示神经科学和触觉学中新的跨学科应用。在这项工作中,我们提出了一个多视角的观点,包括感知和运动方面,以及外周和中枢神经结构的反应,以分析和更好地理解支撑纹理和运动的触觉表征的复杂机制。更好地理解触觉刺激的时空特征可以揭示神经科学和触觉学中新的跨学科应用。在这项工作中,我们提出了一个多视角的观点,包括感知和运动方面,以及外周和中枢神经结构的反应,以分析和更好地理解支撑纹理和运动的触觉表征的复杂机制。更好地理解触觉刺激的时空特征可以揭示神经科学和触觉学中新的跨学科应用。
更新日期:2021-09-09
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