Longitudinal study of language therapy in 142 children and adolescents with autism spectrum disorders.

The last 25 years produced important changes in the Speech Language intervention for children with Autism Spectrum Disorders in the whole world. They refer to diagnostic criteria, research methods and systematization of data about diagnostic and intervention processes. In this context, the first results about the use of a recording system used on a specialized service highlights the importance of including information about each intervention process on reliable and accessible systems. This procedure allows the association among several types of data and studies with large populations, something that is not usual in the field.