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  • RESEARCH HIGHLIGHT

Hidden brain activity revealed in people with coma

Hospital patients who appear unresponsive after commands show evidence of brain activity.
Electroencephalography research

A brain-monitoring system such as this one has been used to assess cognitive activity in people with brain injuries. Credit: Amelie Benoist/BSIP/Getty

Fifteen per cent of hospital patients with severe brain injuries exhibited cognitive activity in response to commands — even though they did not react visibly.

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Nature 571, 9 (2019)

doi: https://doi.org/10.1038/d41586-019-01995-w

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