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Introduction: Autism is a heterogeneous disorder. The possibility of determining its characteristics over time will have a great impact on the prognosis and predictions that can be made. In that regard, the intelligence quotient and its possible stability throughout the life cycle can help to better define the phenotype of the disorder and its associated needs., Development: Longitudinal studies show a certain level of stability in intelligence quotient scores, especially starting from the school years. Before, in the preschool stage, there is greater variability, especially in those children who have a borderline intellectual functioning or moderate intellectual disability., Conclusion: More research should continue to be developed to know the cognitive profile of people with autism spectrum disorder and be able to make predictions based on their intellectual functioning.

Introduction: Autism spectrum disorders are neurodevelopmental disorders with qualitative impairment in functioning domains and areas of human characteristically. It is important to know how is the outcome in the adolescent and adult age of these people to provide the services and support needed., Development: We review the most important follow-up studies have been conducted in autism spectrum disorders, realizes the kind of designs that have been carried out and the results obtained in different areas of development and independent functioning., Conclusions: Improvements in outcome but these are generally poor in the population. A small proportion close or around 25% are experiencing better outcome. These cases generally correspond to what is known as high-functioning autism or Asperger syndrome.

Introduction: The presence of a child with autism spectrum disorder (ASD) in the family causes an overall impact on parents and siblings manifested in a significant increase in stress., Aim: To analyze whether the implementation of a specific school of families for parents of people with ASD has a positive effect in the family impact, specifically in the stress perception and skills of parents who have children with ASD., Subjects and Methods: A total of 27 parents having children with ASD participated in a school of families from which 13 of them filled a questionnaire of family impact before and after attending the training. Frequency and comparison analysis were carried out through the Wilcoxon interval test., Results: After the following of the school of families, improvement tendencies were shown regarding the decrease of parent's stress, as regards the perception about their answers on their son's behaviors, and significantly, in the assessment of the quality of the time shared among parents and typically developing siblings., Conclusions: It is necessary to implement research programs with bigger samples aimed at being more precise on the influence of the specific training in stress for parents. The idea of developing training programs for families with ASD children is recommended for the different services that support this population as a way of helping in the decrease of stress.