Pupil response may help brain-damaged patients communicate

A study suggests that, even if someone can't blink at will, their eyes can indicate a response to a question.



People with brain damage that has left them mute and motionless may be able to communicate with a system that measures the size of their pupils, a new study has found.



via L.A. Times - Science http://feeds.latimes.com/~r/latimes/news/science/~3/1IFhEkN36tc/la-sci-retina-20130806,0,4412651.story