In Paraguay the main cause of Traumatic Brain Injury are the accidents in ground transportation. According to data from the Basic Health Indicators 2013 of the Ministry of Public Health and Social Welfare, the regions with the highest rate of accidents in ground transportation are located in the rural zone of the country. Linguistic or communication disorder, attention and memory are the first functions that must be rehabilitated. Is essential to improve the patient's language skills to intervene the other cognitive functions. The objective of this study is to determine if free augmentative communication systems have the characteristics necessary for the cognitive rehabilitation of the language to provide a low cost solution for Traumatic Brain Injury patients in rural areas of the country.

A list of seven characteristics that contributed to verbal comprehension and expression, reading and writing, logical-verbal reasoning and numeration and calculation were compiled and compared to the Gazespeaker, which is a free augmentative communication system.

The Gazespeaker meets the seven characteristics required for language rehabilitation.

For patients with Traumatic Brain Injury are required low cost tools and ease-to-use like the Gazespeaker. It is a good augmentative communication system which satisfies all the characteristics required for a good language rehabilitation. In addition, this free software allows the use of an eye tracking device that can be applied to patients with Traumatic Brain Injury and severe motor deficit.