Investigating the structure of trait rumination in autistic adults: A network analysis.
Zachary J Williams, Erin E McKenney, Katherine O Gotham
PMID 34058847WHAT IT FOUND
Self-critical thoughts and questioning why one has problems were the most central symptoms in the rumination network.
Sadness and guilt acted as the strongest bridges linking these ruminative patterns to depressive symptoms in autistic adults.
Key findings
01The most influential nodes in the rumination network were wondering why one cannot start tasks, questioning why one has so many problems, and self-critical rumination.
02In the combined rumination-depression network, sadness and guilty feelings had the highest bridge expected influence, connecting the depression cluster to rumination.
03Network structures did not significantly differ between subgroups based on sex, age of autism diagnosis, or level of autistic traits.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The study is cross-sectional, so it cannot determine if rumination causes depression or vice versa. The sample was overwhelmingly female, highly educated, and later-diagnosed, which may not represent the broader autistic adult population. Autism diagnoses were self-reported and not independently validated, though the authors note high validity in this cohort. Findings are specific to the measures used (RRS and BDI-II); different questionnaires might yield different network structures.
Declared interests
Author ZJW serves as a consultant to Roche and owns stock in Axsome Therapeutics, Editas Medicine, CRISPR Therapeutics, and Fulgent Genetics. He also serves on advisory committees for Autism Speaks and the Autism Intervention Network for Physical Health. Other authors declared no competing interests.
The easy way to misread this
Do not interpret the centrality of self-critical thoughts or the bridge status of sadness as evidence that targeting these symptoms will reduce depression. The study is cross-sectional and correlational, so it cannot establish causal direction.