Nat Med:人脑控制计算机获突破,或助脑瘫患者独立行走

2015-10-05 MedSci MedSci原创

参加实验的瘫痪者用意志控制光标在电脑屏幕上移动致力于完善一种受思想控制的计算机光标的科学家9月28日说,他们已取得了迄今为止最好的结果,并且正向制造出一种瘫痪人士能使用的版本前进。 发表在英国《自然·医学》月刊上的结果显示,这个装置的运行速度是过去版本的两倍,因为美国的研究人员发现了读取大脑活动的更好方法,并调整了该装置的硬件和软件。 报道称,提高由意志控制的各种假体的速度和准确度至关重要

参加实验的瘫痪者用意志控制光标在电脑屏幕上移动

参加实验的瘫痪者用意志控制光标在电脑屏幕上移动

致力于完善一种受思想控制的计算机光标的科学家9月28日说,他们已取得了迄今为止最好的结果,并且正向制造出一种瘫痪人士能使用的版本前进。

发表在英国《自然·医学》月刊上的结果显示,这个装置的运行速度是过去版本的两倍,因为美国的研究人员发现了读取大脑活动的更好方法,并调整了该装置的硬件和软件。

报道称,提高由意志控制的各种假体的速度和准确度至关重要,因为只有这样才能从实验室阶段迈向实用阶段,从而帮助四肢瘫患者取得一定程度的独立性。

该研究作者之一、美国斯坦福大学的Henderson JM通过电子邮件对记者说:“目前的工作朝着我们的最终目标迈进了一步。终极目标是,如果用户有需要,我们就能提供对任何计算机系统的点击控制。”

在最新研究中,研究人员观察了两名瘫痪者是如何利用他们的意志控制箭头形光标移动到计算机屏幕的一个目标上。这两名瘫患者是一男一女,都是50多岁,均患有肌萎缩性脊髓侧索硬化症。

报道称,该研究团队将这对男女的表现同过去一些实验参与者——包括2011年哈钦森光标测试——的表现进行比较。亨德森说,这对男女能“以快上一倍的速度将光标从屏幕的一个点移向另一个点”。

这两名实验参与者通过一系列电极来控制假体。这些电极被植入他们大脑中的运动皮层,也就是大脑控制身体运动的部分。这96个微小的电极会收集附近神经元发出的信号,并将它们送往计算机,再由计算机翻译成行动指令。

研究人员说,他们已取得了一系列进展,包括过滤掉可能削弱大脑信号的电子干扰。

报道称,该团队让实验参与者尝试用思想移动光标的不同方式,以找到哪种方式最有效。

原始出处:
Gilja V, Pandarinath C, Blabe CH, Nuyujukian P, Simeral JD, Sarma AA, Sorice BL, Perge JA, Jarosiewicz B, Hochberg LR, Shenoy KV, Henderson JM. Clinical translation of a high-performance neural prosthesis. Nat Med. 2015 Sep 28. doi: 10.1038/nm.3953.

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    2017-04-04 jin321

    期待早日应用

    0

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    2016-09-05 liye789132251
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    2016-05-01 bioon14
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    2015-10-07 hlycom3356

    起额艾特然哥

    0

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    2015-10-07 hlycom3356

    发个不是个人

    0

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    2015-10-07 hlycom3356

    青蛙人气去哇

    0

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    2015-10-07 jasonb

    不错,很好,了解新进展。

    0

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