Does anyone have any experience of using the TongueTouch (www.aac-input.org/english/index.asp?Id=469 ) or Oraltec (www.aac-input.org/english/index.asp?Id=314) palates with buttons for operating a wheelchair or mouse? These have been developed for 10 years, but they seem to disappear quite quickly. Stephen GB Kirker MD FRCPI Consultant in Rehabilitation Medicine Box 120, Disablement Services Centre & Lewin Stroke & Rehab Unit Addenbrookes NHS Trust Cambridge CB2 2QQ 01223 217870 fax 01223 242038