相关实验视频
Updated: Jun 23, 2026

08:16
Adaptation of a Haptic Robot in a 3T fMRI
Published on: October 4, 2011
9.7K
生物启发的可适应的多平面机械振动触觉触觉系统.
Sara-Adela Abad1,2, Nicolas Herzig3, Duncan Raitt4
1Department of Mechanical Engineering, University College London, London, UK. s.abad-guaman@ucl.ac.uk.
Nature communications
|September 11, 2024
概括
研究人员开发了一种新的触觉系统,用于先进的触觉反. 该设备为指尖提供精确的多感官刺激,有助于触摸感知研究和疾病诊断.
科学领域:
- 生物医学工程 生物医学工程
- 神经科学是一个神经科学.
- 人与计算机的交互
背景情况:
- 触觉设备的开发面临着触摸反忠实度,感觉多样性和指尖触觉刺激的可穿戴性方面的挑战.
- 现有的技术难以在指尖的多个区域提供细微和同时的触觉感觉.
研究的目的:
- 介绍和描述一个新的生物灵感可适应的多重平面触觉系统.
- 为了评估系统在提供复杂的机械振动触觉刺激的人类触摸研究和诊断的能力.
主要方法:
- 开发一种触觉系统,能够提供可调节强度 (高达298.1mN) 和频率 (高达130Hz) 的机械触觉/稳定和振动触觉脉冲刺激.
- 系统表征和人体实验,以评估同步,多平面和操作者不可知刺激的灵敏度和差异化.
- 评估设备在无痛,独立于操作者的数据采集方面的潜力.
主要成果:
- 开发的系统成功地向指尖传递了同时,多平面和可调节的机械振动刺激.
- 人类灵敏度和差异化实验验证实了系统能够提供复杂的触觉反的能力.
- 该系统展示了无操作员的性能,这对于一致的数据收集至关重要.
结论:
- 生物启发的可适应多面触觉系统解决了当前触觉技术中的关键缺口.
- 该设备为推进人类触摸感知理解提供了一个有前途的平台.
- 该系统通过精确可靠的触觉刺激来促进与触觉有关的疾病的研究和诊断.
相关概念视频
Cell-matrix's Response to Mechanical Forces
In animal cells, the extracellular matrix allows cells within tissues to withstand external stresses and transmits signals from the outside of the cell to the inside. The extracellular matrix is extensive, and its composition varies between different types of tissues. For example, the reticular fibers and ground substance make up the ECM in loose connective tissue, while collagen and bone minerals make up the ECM of bone tissue.
Anchoring junctions mechanically attach a cell to the...
Anchoring junctions mechanically attach a cell to the...
Mechanical Systems
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically described...
Tactile and Chemical Senses
Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex. This...

