Communication system based on a new open architecture

Work with mentally handicapped people often raises the problem of communication difficulties. Several attempts have been made to provide alternatives in order to improve the relation between these persons and their environment. In most cases communication methods, based on graphical items, need continual attention by teachers to allow subject interaction with the external world. Moreover such a manual method requires a great deal of effort to adapt it to different individuals. In this work an open environment is proposed, subject oriented and based on a modular architecture with a kernel and a sequence of exchangeable adaptable modules in agreement with patient needs. We also show an implementation example