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Brain-computer interfaces for communication with nonresponsive patients
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DOI：10.1002/ana.23656.png)
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摘要
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A substantial number of patients who survive severe brain injury progress to a nonresponsive state of wakeful unawareness, referred to as a vegetative state (VS). They appear to be awake, but show no signs of awareness of themselves, or of their environment in repeated clinical examinations. However, recent neuroimaging research demonstrates that some VS patients can respond to commands by willfully modulating their brain activity according to instruction. Braincomputer interfaces (BCIs) may allow such patients to circumvent the barriers imposed by their behavioral limitations and communicate with the outside world. However, although such devices would undoubtedly improve the quality of life for some patients and their families, developing BCI systems for behaviorally nonresponsive patients presents substantial technical and clinical challenges. Here we review the state of the art of BCI research across noninvasive neuroimaging technologies, and propose how such systems should be developed further to provide fully fledged communication systems for behaviorally nonresponsive populations. Ann Neurol 2012;72:312323
Keyword:
MINIMALLY CONSCIOUS STATE
AMYOTROPHIC-LATERAL-SCLEROSIS
EVENT-RELATED POTENTIALS
P300 SPELLING SYSTEM
VEGETATIVE STATE
COGNITIVE FUNCTION
ELECTROCORTICOGRAPHIC SIGNALS
BEHAVIORAL-ASSESSMENT
MACHINE INTERFACE
NEURONAL-ACTIVITY
期刊
IF:
7.7
论文数:
8.5K
被引数:
3.6W
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分享收藏Visual cognition in disorders of consciousness: From V1 to top-down attention.png)
HUMAN BRAIN MAPPING
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HUMAN BRAIN MAPPINGIF3.3
OAAI分享收藏Determination of awareness in patients with severe brain injury using EEG power spectral analysisOAAI
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