Efficacy and usability of assistive technology for patients with cognitive deficits: a systematic review.

Objective: To determine the efficacy of portable electronic aids such as personal digital assistants (PDAs), pagers or mobile phones for patients with cognitive deficits by means of a systematic review. The usability of these aids is also briefly discussed.

Data Sources: PubMed, CINAHL, PsychINFO, EMBASE and MEDLINE were searched up to February 2009.