Effect of seated position on upper-extremity access to augmentative communication for children with cerebral palsy: preliminary investigation.

OBJECTIVE: Our goal in this study was to determine the effect of seated position on upper-extremity access to augmentative communication for a child with cerebral palsy. METHOD: A single-subject ABAB design was used with one 5-yr-old participant. We compared accuracy and speed of selection of targets on a speech-generating device in the participant's typical position and in an intervention position. The intervention position conformed to …