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Meeting brain-computer interface user performance expectations using a deep neural network decoding framework
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DOI：10.1038/s41591-018-0171-y.png)
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摘要
En 中文
Brain-computer interface (BCI) neurotechnology has the potential to reduce disability associated with paralysis by translating neural activity into control of assistive devices(1-9). Surveys of potential end-users have identified key BCI system features(10-14), including high accuracy, minimal daily setup, rapid response times, and multifunctionality. These performance characteristics are primarily influenced by the BCI's neural decoding algorithm(1,15), which is trained to associate neural activation patterns with intended user actions. Here, we introduce a new deep neural network(16) decoding framework for BCI systems enabling discrete movements that addresses these four key performance characteristics. Using intracortical data from a participant with tetraplegia, we provide offline results demonstrating that our decoder is highly accurate, sustains this performance beyond a year without explicit daily retraining by combining it with an unsupervised updating procedure(3,17- 20), responds faster than competing methods(8), and can increase functionality with minimal retraining by using a technique known as transfer learning(21). We then show that our participant can use the decoder in real-time to reanimate his paralyzed forearm with functional electrical stimulation (FES), enabling accurate manipulation of three objects from the grasp and release test (GRT)(22). These results demonstrate that deep neural network decoders can advance the clinical translation of BCI technology.
Keyword:
MACHINE INTERFACES
MUSCLE STIMULATION
POTENTIAL USERS
WANT OPINIONS
PRIORITIES
TETRAPLEGIA
COMMUNICATION
MOVEMENTS
RELEASE
GRASP
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期刊
IF:
50
论文数:
1.4W
被引数:
13.4W
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引用论文
分享收藏Information Systems Opportunities in Brain-Machine Interface Decoders脑机接口解码器中的信息系统机会.png)
PROCEEDINGS OF THE IEEE
PROCEEDINGS OF THE IEEEIF25.9
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分享收藏分享收藏Restoration of reaching and grasping movements through brain-controlled muscle stimulation in a person with tetraplegia: a proof-of-concept demonstration通过大脑控制的肌肉刺激恢复四肢瘫痪患者的伸手和抓握运动: 概念验证演示LANCET
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LANCETIF88.5
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