Self-injurious behaviours and mental health in autistic adults with severe intellectual disabilities: An explorative clinical study

Anne Langseth Rysstad, Julia Skoglund, Arvid Nikolai Kildahl, Section for Intellectual Disabilities and Autism, Vestre Viken Hospital Trust, Regional Section Mental Health, Intellectual Disabilities, Oslo University Hospital, Nevsom Norwegian Centre of Expertise for Neurodevelopmental Disorders and Hypersomnias, Oslo University Hospital

Journal of Intellectual Disabilities

Published online on October 25, 2025

Abstract

Journal of Intellectual Disabilities, Ahead of Print.
Background: Self-injurious behaviour (SIB) is a serious and persistent phenomenon affecting a substantial proportion of autistic individuals. Autistic individuals with severe intellectual disabilities and co-occurring mental health disorders may be at ...