Brain-machine interface via real-time fMRI: preliminary study on thought-controlled robotic arm.
Brain-machine interface via real-time fMRI: preliminary study on thought-controlled robotic arm.
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DOI：
10.1016/j.neulet.2008.11.024
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发表时间：
2009-01-23
影响因子：
2.5
通讯作者：
Yoo SS
中科院分区：
文献类型：
--
作者：
Lee JH;Ryu J;Jolesz FA;Cho ZH;Yoo SS
实时功能磁共振成像（rtfMRI）已被用作脑-机接口（BCI）的基础，由于其能够实时表征特定区域的大脑活动。作为BCI的扩展，我们提出了一个基于rtfMRI的脑机接口（BMI），其中的2维运动的机器人手臂的控制调节（和并发检测）的区域皮层激活的主要运动区域。为此，受试者参与了右手和/或左手运动想象任务。然后将源自相应手部运动区域的血氧水平依赖（BOLD）信号转换为水平或垂直机器人手臂运动。运动被视觉地广播回受试者作为反馈。我们证明，实时控制机械臂只有通过受试者的思维过程是可能的使用rtfMRI为基础的BMI试验。
Real-time functional MRI (rtfMRI) has been used as a basis for brain–computer interface (BCI) due to its ability to characterize region-specific brain activity in real-time. As an extension of BCI, we present an rtfMRI-based brain–machine interface (BMI) whereby 2-dimensional movement of a robotic arm was controlled by the regulation (and concurrent detection) of regional cortical activations in the primary motor areas. To do so, the subjects were engaged in the right- and/or left-hand motor imagery tasks. The blood oxygenation level dependent (BOLD) signal originating from the corresponding hand motor areas was then translated into horizontal or vertical robotic arm movement. The movement was broadcasted visually back to the subject as a feedback. We demonstrated that real-time control of the robotic arm only through the subjects’ thought processes was possible using the rtfMRI-based BMI trials.
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DOI：
10.1073/pnas.0505210102
发表时间：
2005-12-20
影响因子：
11.1
作者：
deCharms, RC;Maeda, F;Mackey, SC
通讯作者：
Mackey, SC
影响因子：
2.5
作者：
Pfurtscheller, G;Müller, GR;Rupp, R
通讯作者：
Rupp, R
影响因子：
5.5
作者：
Birbaumer, Niels;Cohen, Leonardo G.
通讯作者：
Cohen, Leonardo G.
影响因子：
56.9
作者：
Taylor, DM;Tillery, SIH;Schwartz, AB
通讯作者：
Schwartz, AB
影响因子：
64.8
作者：
Hochberg, Leigh R.;Serruya, Mijail D.;Donoghue, John P.
通讯作者：
Donoghue, John P.