Use of safe-laser access technology to increase head movement in persons with severe motor impairment: a series of case reports.

The purpose of this article is to describe the impact of an intervention involving safe-laser pointing technology on six persons with locked-in syndrome. When these individuals were invited to participate in this project (4 weeks to 18 years post onset), none were able to speak and none were able to access an augmentative and alternative communication (AAC) device. All communicated using eye movements (e.