Relational Memory Processes in Adults with Autism Spectrum Disorder.
Adults with autism show weaker memory for single items and for how items relate, so plan supports for both.
01Research in Context
What this study did
The team tested the adults with autism and 40 typical adults.
They gave four memory tasks: remembering single items, the order of items, where items sat, and which items went together.
Each adult sat at a computer and clicked answers while the clock ran.
What they found
The autistic group scored lower on every task.
They missed more single items, got the order wrong more often, forgot locations, and mismatched pairs.
The gap was large enough to see without statistics.
How this fits with other research
Ye et al. (2023) pooled many studies and found the same pattern: memory for time and links is weaker in autism.
Sherwell et al. (2014) showed adults with autism also struggle to read emotions and guess past events.
Simó-Pinatella et al. (2013) looked at children and found a twist: event-based memory worked fine, but time-based memory did not.
This seems to clash with our adult findings, yet the tasks differ. Kids kept memory when a clear cue appeared. Adults had to recall links on their own.
Why it matters
Do not assume item memory is safe. Check both single facts and how they connect. Break complex tasks into small pieces and give extra cues. Use pictures, lists, or timers to support time-based steps.
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02At a glance
03Original abstract
Research into memory in Autism Spectrum Disorder (ASD) suggests intact item memory but difficulties in forming relations between items (Bowler, Gaigg, & Lind, 2011). In this study, we tested memory for items as well as for sequential, spatial, and associative relations between items with the same paradigm using abstract shapes in ASD and typically developing (TD) individuals. Participants studied shape triplets on a computer screen and memory was subsequently tested either for the individual items making up the triplets, the screen-locations, the order or the combinations of items presented at study. Contrary to our predictions, performance was significantly lower in the ASD group on all four tasks. The result raises questions about how intact item memory is in ASD, which role task complexity plays, and how item-specific versus relational processing affect task performance. One possibility is that TD individuals relied more on relational processing in the current study and might have therefore had an advantage over ASD individuals. This idea is supported by the result of a preliminary analysis of age-related differences in memory across the midadult lifespan in both groups. Age seems to affect order memory less in ASD compared with TD individuals where it leads to a significant decrease in performance. This might indicate a decrease in relational processing in TD but not ASD individuals with increasing age. More research is needed to answer questions about the change in cognition in ASD individuals across the lifespan.
Autism research : official journal of the International Society for Autism Research, 2016 · doi:10.1002/aur.1493