This video clip from April 2016 was filmed by The Oregonian newspaper and describes how Niko learned to communicate by pointing to letters on a letterboard.
https://unitedforcommunicationchoice.org/wp-content/uploads/2018/07/wef332f.jpg600800United for Communication Choicehttps://unitedforcommunicationchoice.org/wp-content/uploads/2018/07/logo-bllg.pngUnited for Communication Choice2016-04-29 09:59:142018-07-15 10:03:40Niko Boskovic, "An autistic boy gets his voice back, one letter at a time"