%0 Journal Article %T Enuncia£¿£¿o e autoria via comunica£¿£¿o alternativa e interlocu£¿£¿o mediadora %A Freitas %A Ana Beatriz Machado de %J Revista Brasileira de Lingu¨ªstica Aplicada %D 2012 %I Scientific Electronic Library Online %R 10.1590/S1984-63982012000100009 %X augmentative and / or alternative communication is a field of assistive technology which encompasses resources to help people with severe speech and language impairments to express themselves. however, communication does not always overcome functional responses within a limited linguistic repertoire. the article discusses language and subject of enunciation, their relations with authorship development and as well as implications to subjective constitution of the non-speech people. theoretically it was based on the bakhtin¡¯s enunciative-discursive principles and on the cultural historical theory of human development. it emphasizes the role and responsibility of the mediator when he contributes, through his dialogue, to increase a significant communication and authorship or, conversely, when he can restrict these possibilities. %K non-verbal communication %K subjectivity %K mediation. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S1984-63982012000100009&lng=en&nrm=iso&tlng=en