Executive functions and adaptive behaviour in individuals with Down syndrome.
S Onnivello, S Colaianni, F Pulina and 7 others
PMID 34750907WHAT IT FOUND
Parents reported that children with Down syndrome struggle most with working memory, not emotional control.
In school-age children, these executive function difficulties were strongly linked to poorer daily living and social skills, suggesting therapy should target these cognitive processes directly.
Key findings
01Working memory was the primary executive function weakness in preschoolers, with 47.5% showing clinically elevated scores, while emotional control was a relative strength.
02In school-age children, executive function difficulties shifted to include shifting and planning, with 37% showing clinically elevated scores in shifting.
03For school-age children, executive function indexes significantly predicted adaptive behaviour outcomes, including communication, daily living skills, and socialisation.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The study is cross-sectional, so it cannot determine if the shift in executive function weaknesses from preschool to school age represents a true developmental change or cohort differences. All data came from parent reports, which may be influenced by parental expectations or bias regarding their child's age and abilities. The study did not include direct cognitive testing, relying solely on behavioural rating scales.
Declared interests
The authors declared no conflicts of interest. Fellowships for some authors were funded by charitable donations and fundraising events.
The easy way to misread this
Do not assume that executive function difficulties in preschoolers directly predict adaptive behaviour problems in the same way as in school-age children. The study found a strong link between EF and adaptive behaviour only in the older group, suggesting that early intervention targeting EFs may have different outcomes or mechanisms than in later childhood.