[New parameters in community treatment practices: the contribution of community and alternative mental health groups in Québec].

This article examines the origin and the context of the implementation project of community treatment according to the perspective of community and alternative mental health groups in Québec. The author presents results of a research on practices of these groups through a specific array that integrates the essential components of the community treatment model. The author examines six parameters characterizing devices, approaches and practices: 1) approach in supportive care and attention; 2) voluntary relation with the organization 3) the place of biomedical treatment; 4) flexibility in length and intensity of treatment; 5) the individual and collective dimension of supportive care; 6) and, participation as an active citizen.