brain injury

Thirteen unresponsive ICU patients changed a tone using thought alone
In a Columbia study of 41 brain-injured patients who could not move or speak, a third shifted a beep’s pitch through bedside EEG, and…
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Wednesday, October 28, 2026 · The Sunday letter

In a Columbia study of 41 brain-injured patients who could not move or speak, a third shifted a beep’s pitch through bedside EEG, and…