Background: The evidence on the effect of age on the receptive and expressive language skills of individuals with Down syndrome is inconclusive. Recent research highlights the relevance of having tools to detect age-related changes in language skills. Method: Data were collected on 45 adults with Down syndrome. All were assessed with the Peabody…

Background: Individuals with autism spectrum disorder (ASD) have been characterized as having deficits in social communication and empathy which present difficulties in the areas of social reciprocity, sharing of emotions and developing and maintaining relationships. This study explores the associations between vocabulary, executive function…

Background: The assessment of the intelligence quotient (IQ) in children with autism spectrum disorder (ASD) is important to plan a detailed therapeutic-educative programme. The aim of the study was to evaluate the usefulness of the Psychoeducational Profile-third edition (PEP-3) to estimate the general cognitive development of children with ASD.…