An EEG can detect characteristic brainwaves that suggest whether people in a state of impaired consciousness may recover sudok1/Getty Images
A new type of test may be able to predict if people who enter a state of impaired consciousness after a brain injury will eventually recover.
The test, which involves seeing how people’s brainwaves respond to a general anaesthetic, was highly accurate when carried out on 12 people in a state of impaired consciousness – but now it needs to be trialled on more such people.
People who are in a coma after a brain injury, such as from a…
Article amended on 22 November 2021
We amended the description of the patients given the anaesthetic
