Trajectories in symptoms of autism and cognitive ability in autism from childhood to adult life: findings from a longitudinal epidemiological cohort
Simonoff, Emily et al. Journal of the American Academy of Child & Adolescent Psychiatry, Published online January 2020
This longitudinal study found that although cognitive symptoms of autism spectrum disorder (ASD) improve between 12-23 years of age, core autism symptoms remain unchanged. It would have been interesting to know if the same were true over the earlier period of life.
https://www.jaacap.org/article/S0890-8567(19)32231-2/fulltext?dgcid=raven_jbs_aip_email