Karl Wiegand

SymbolPath is the free prototype of an icon-based AAC (Augmentative and Alternative Communication) system that supports continuous motion and free-ord …

MoGUI is a motor assessment game intended to assist in the evaluation of touchscreen interfaces. Players pop the balloons by touching them, in order, …

DigitCHAT is a simple, real-time, letter-based AAC (Augmentative and Alternative Communication) system that supports continuous motion on a number pad …