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شبكة راية الإعلامية
Source: شبكة راية الإعلامية
23 Hrsشبكة راية الإعلامية
Source: شبكة راية الإعلامية
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Researchers at Columbia University have developed a noninvasive technique that uses electrodes placed on the scalp to convert brain signals into commands controlling electronic tones. This enabled some patients with severe brain injuries to express responses despite being unable to move or speak. After brief training, 13 of the 41 patients (32%) were able to control the tones. This group included all eight patients who showed signs of cognitive motor dissociation in an independent test. Four of the 13 regained consciousness before leaving the hospital, compared with one of the 28 patients who could not control the system. The researchers emphasized that the technique is still in the early stages of research, but could pave the way for future means of communication.
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