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- Brain–machine interface: closer to therapeutic reality?
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Various neurological diseases and traumatic injuries permanently abolish sensorimotor functions, dramatically affecting the quality of life of millions of individuals. Progress continues in the development of neural repair interventions to enhance functional recovery after neuromotor disorders in animals.1,2 So far, no interventions have shown efficacy in the restoration of useful sensorimotor functions in severely paralysed people.
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- Neuroprosthetic control and tetraplegia – Authors'reply
- Neuroprosthetic control and tetraplegia
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The neuroprosthetic achievements reported by Jennifer Collinger and colleagues (Feb 16, p 557)1 are remarkable. The diagnosis of the tetraplegic patient of the study is, however, puzzling. The patient has spinocerebellar ataxia without cerebellar features. Material available elsewhere2,3 suggests that her symptoms began rather suddenly 13 years before taking part in the study. She describes relapsing weakness, has normal looking hands, and, head rest excepted, no symptoms above the neck. This is unusual for spinocerebellar ataxia, which typically has slow onset with gradual deterioration.
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