Sensory Nerve Stimulation with Implantable Sieve Electrodes for the Artificial Sensation.
使用植入式筛电极刺激感觉神经以实现人工感觉。
基本信息
- 批准号:17603002
- 负责人:
- 金额:$ 2.3万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2005
- 资助国家:日本
- 起止时间:2005 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
We have developed the implantable sieve electrodes for the Brain-Machine Interface (BMI), previously for the purpose of recording action potentials from peripheral nerve fibers, with witch to control artificial machines such as an artificial hand. In this study we demonstrated that the sieve electrodes also successfully worked as stimulation electrodes to elicit artificial sensation on rats. These electrodes were implanted in rat chorda tympani nerves or posterior auricular nerves. Electrical stimulations through electrodes implanted in posterior auricular nerves often caused quick pinna-movements similar to the pinna reflex caused by brief air-puff stimulation on a pinna in normal rats. These pinna-movements were concluded that they were elicited not due to direct stimulations of posterior auricular muscles but due to sensory reflex to excitations of posterior auricular nerves. Iridium was coated on the electrodes to increase their current passage capabilities through formation of an oxide on the surface. In most cases, effects of electrical stimulations with a sieve electrode continued for several months unless accidentally the head cap or the wire of the electrode was broken. The longest case of recordable periods was about seven month. These results indicate the sieve electrodes are useful to the interface for the artificial sensation.
我们已经为脑机接口(BMI)开发了可植入的筛电极,以前用于记录周围神经纤维的动作电位,并用于控制人工机器,如假手。在这项研究中,我们证明了筛电极也成功地作为刺激电极引起大鼠的人工感觉。电极分别植入大鼠鼓室索神经或耳后神经。通过在耳后神经植入电极的电刺激常常引起快速的峰状运动,类似于正常大鼠的耳廓短暂充气刺激引起的耳廓反射。这些峰状运动不是由耳后肌的直接刺激引起的,而是由耳后神经兴奋引起的感觉反射引起的。铱被涂在电极上,通过在表面形成氧化物来增加电流通过能力。在大多数情况下,筛电极的电刺激效果可以持续几个月,除非电极的头帽或导线意外断裂。可记录期最长的病例约为7个月。这些结果表明,筛电极作为人工感觉的界面是有用的。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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SHIMATANI Yuichi其他文献
SHIMATANI Yuichi的其他文献
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{{ truncateString('SHIMATANI Yuichi', 18)}}的其他基金
Fully implantable myoelectric interface powered by NIR power system for application with myoelectric prosthesis.
由近红外电源系统供电的完全植入式肌电接口,适用于肌电假肢应用。
- 批准号:
20500492 - 财政年份:2008
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on time-dependent variability in response properties found in mammalian taste neurons using sieve electrodes.
使用筛电极研究哺乳动物味觉神经元响应特性随时间变化的变化。
- 批准号:
15591979 - 财政年份:2003
- 资助金额:
$ 2.3万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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10656218 - 财政年份:2020
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Decoding / encoding somatosensation from the hand area of the human primary somatosensory (S1) cortex for a closed-loop motor / sensory brain-machine interface (BMI)
解码/编码人类初级体感 (S1) 皮层手部区域的体感,用于闭环运动/感觉脑机接口 (BMI)
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Decoding / encoding somatosensation from the hand area of the human primary somatosensory (S1) cortex for a closed-loop motor / sensory brain-machine interface (BMI)
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