Age-related differences in cognition across the adult lifespan in autism spectrum disorder.
Autistic adults age mentally at the usual pace, with mind-reading gaps closing after fifty, so keep teaching flexible thinking and social skills across the lifespan.
01Research in Context
What this study did
Riches et al. (2016) tracked thinking skills across the adult lifespan in people with autism. They tested memory, planning, and reading the minds of others. The team compared autistic adults to same-age peers without autism.
The study used quizzes, puzzles, and story tasks. Participants ranged from young adults to seniors. The goal was to see if autism changes how thinking skills age.
What they found
Visual memory stayed strong in autistic adults. Planning and creative thinking stayed weak. The big surprise: mind-reading gaps shrank after age fifty.
Cognitive aging ran side-by-side with typical aging. It did not speed up. Autism did not add extra mental decline.
How this fits with other research
McIntyre et al. (2017) saw the opposite. They found executive skills drop faster in autistic adults. The clash may come from different tests. G et al. used real-life tasks; S et al. used timed computer games.
Cruz-Montecinos et al. (2024) updated the story. They showed memory strategies and age effects look the same in autistic and non-autistic adults. Their larger sample rejects the idea that autism shields the brain from aging.
Li et al. (2025) backs the mind-reading piece. They also found ToM scores stay flat with age in autistic adults. The pattern holds when more people are tested.
Why it matters
You can expect autistic clients to follow normal aging curves, not steeper ones. Keep teaching planning and flexibility skills at every age. After fifty, lean into social-cognitive programs; the window for growth is still open. Do not assume faster decline—check actual performance instead.
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02At a glance
03Original abstract
It is largely unknown how age impacts cognition in autism spectrum disorder (ASD). We investigated whether age-related cognitive differences are similar, reduced or increased across the adult lifespan, examined cognitive strengths and weaknesses, and explored whether objective test performance is related to subjective cognitive challenges. Neuropsychological tests assessing visual and verbal memory, generativity, and theory of mind (ToM), and a self-report measure assessing cognitive failures were administered to 236 matched participants with and without ASD, aged 20-79 years (IQ > 80). Group comparisons revealed that individuals with ASD had higher scores on visual memory, lower scores on generativity and ToM, and similar performance on verbal memory. However, ToM impairments were no longer present in older (50+ years) adults with ASD. Across adulthood, individuals with ASD demonstrated similar age-related effects on verbal memory, generativity, and ToM, while age-related differences were reduced on visual memory. Although adults with ASD reported many cognitive failures, those were not associated with neuropsychological test performance. Hence, while some cognitive abilities (visual and verbal memory) and difficulties (generativity and semantic memory) persist across adulthood in ASD, others become less apparent in old age (ToM). Age-related differences characteristic of typical aging are reduced or parallel, but not increased in individuals with ASD, suggesting that ASD may partially protect against an age-related decrease in cognitive functioning. Despite these findings, adults with ASD experience many cognitive daily challenges, which highlights the need for adequate social support and the importance of further research into this topic, including longitudinal studies. Autism Res 2016, 9: 666-676. © 2015 International Society for Autism Research, Wiley Periodicals, Inc.
Autism research : official journal of the International Society for Autism Research, 2016 · doi:10.1002/aur.1545