http://ideas.eyeconx.net/story.php?title=locked-in-patients-can-answer-questions-with-the-pupils-of-their-eyes Patients who are otherwise completely unable to communicate can answer yes or no questions within seconds with the help of a simple system - consisting of just a laptop and camera - that measures nothing but the size of their pupils. The tool, described and demonstrated in Current Biology, a Cell Press publication, on August 5 takes advantage of changes in pupil size that naturally occur when peop... Thu, 19 Sep 2013 17:45:08 EDT en