Biotech Values

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This may be of interest to you.

https://tinyurl.com/y9cwknql

"The new case involved a Frenchman whose brain damage, suffered in a car accident, left him completely unresponsive and unconscious, known as a vegetative state. He became minimally conscious, responding to some signals from the outside world, after a month of having his vagus nerve — which runs from the abdomen to the brain, where it has numerous connections to regions that the researchers call “a hot zone for conscious awareness” — stimulated with a device implanted in his chest.

Brain imaging and electrical recordings of brain activity (EEG) showed changes that likely account for his improvement, scientists led by Angela Sirigu of France’s National Center for Scientific Research reported in Current Biology.

UCLA psychologist Martin Monti, an expert on consciousness who has used ultrasound directed at the thalamus to awaken a coma patient, said the French study seemed solid but somewhat vague on how much the patient improved. “They just don’t make it very clear what exactly he recovered,” Monti said, such as “just some small sign of consciousness or [whether he] could, say, blink eyes in response to command.”