Process of speech acquisition and development of autistic children with or without autistic regression.

Purpose: To compare the trajectory of acquisition speech and development of autistic children with or without autistic regression.

Methods: The sample consisted of 64 children, aged 3-10 years, of both genders, diagnosed by a multidisciplinary team with autism. In the analysis were investigated during the interview: mention whether or not the episode regression speech reported by parents; number of words produced in a minimum period of three months prior to detection of regression; mention whether or not the episode regression social behaviors concomitant arrest in speech, verbal and production at three years of age.