A spelling device for the paralysed
Niels Birbaumer
,
N. Ghanayim
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Thilo Hinterberger
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Niels Birbaumer
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N. Ghanayim
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Thilo Hinterberger
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Iver H. Iversen
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Boris Kotchoubey
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Andrea Kübler
,
J. Perelmouter
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Edward Taub
,
Herta Flor
1999
Nature
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