Abstract: Autism spectrum disorder is a neurodevelopmental disorder that affects socio-communicative and behavioral abilities. In the language aspect, there is a greater impairment at the pragmatic level and in non-verbal aspects. The objective of this study was to characterize the severity of autism spectrum disorder in girls, pre and post speech language therapy, and describe the process of speech language intervention using educational software program, picture exchange communication system allied to the principles of behavioral analysis applied to language. The Autism treatment evaluation checklist with the parents was applied. Then, a therapeutic programs session of 50 minutes was developed, one per week and then the questionnaire was reapplied.

Keywords: Autistic Disorder, Speech-Language, therapy, intervention, children, behavior.

| DOI: 10.17148/IARJSET.2023.10848