"I'm using a speech device to talk to you," Robert Voogt of Virginia Beach, Virginia, said by playing a recording from a phone-sized assistive device at a meeting of the American Association for the Advancement of Science. "I have trouble speaking, but I can understand you."
Dr. Argye Elizabeth Hillis of John Hopkins Hospital, talks to her patient Robert Voogt, left, as she speaks to The Associated Press during an interview in Washington, Sunday, Feb. 14, 2016. AP