"You cannot just regulate code without going thru the first amendment type of balancing tests that are used for any other type of speech, because code is speech, " says Cohn.
It also represented a broader goal of Nuance as a speech recognition company: creating personal dictionaries that better understand what we say and type to a machine, be it a smartphone, car or laptop.
Dishman incorporated two tests that measure the strength of a patient's speech with a recording chip, and three others--a peg board, two piano keys and videogame-type buttons--that measure reaction time and speed of movement.