Eye-tracking Technology for Severe Communication Disability

Inclusion Criteria: * aged between 3 and 17 years affected by neuropsychiatric pathology presenting complex communication needs * Control of eye motility and visual fixation * ability to maintain position in front of the monitor * availability of at least one member of the family nucleus to participate in the therapeutic process * cognitive skills appropriate to the task such as being able to recognize images and being able to memorize procedures necessary to use the various basic functions Exclusion Criteria: * age not between 3 and 17 years * difficulty in controlling ocular motility and visual fixation * the unavailability of at least one member of the family nucleus to participate in the therapeutic process * impaired cognitive skills on the task such as being able to recognize pictures and being able to memorize procedures necessary to use various basic functions