Examples of digits, letters, words, signatures, and drawings generated at will by projecting visual imagery onto a special head-mounted display. (Click to enlarge.)
(Credit: Universite Pierre et Marie Curie-Paris)
Last month, a paralyzed man sent his first tweet using eye movements. A new technology out of France could allow him not only to type, but to draw and sign his name in cursive on a computer.
The technique, described in the latest issue of the journal Current Biology, relies on a novel head-mounted display that uses a camera to track eye movements and then relays that movement data to a computer.
Discovered by a Paris scientist studying optical illusions, the technique tricks the neuromuscular machinery into overcoming a natural phenomenon known as saccadic eye movements.
Try moving your gaze smoothly across a fixed object. Notice your eyes subtly jumping from one point to another? They're "saccading," a movement that would hinder eye writing in much the same way a shaky hand would int... [Read more]
No comments:
Post a Comment