Investigating Parental Observations of Early Autism Development in Simplex and Multiplex Families.
Dominique B Cleary, Murray T Maybery, Hannah Waddington and 2 others
PMID 38642179WHAT IT FOUND
Having an older autistic sibling did not increase parents' reports of early developmental concerns in younger children.
Only the younger child's own later autism diagnosis predicted these reports. Parents' recall was not skewed by hypervigilance toward siblings.
Key findings
01Sibling status did not impact the presence of early concerns; concerns were no more frequent for children with an older autistic sibling compared to those with a non-autistic sibling or no older sibling.
02Child diagnostic status was the only factor related to the presence of parent-reported early concerns at both 0-6 and 7-12 months.
03Early concerns were reported for 44% of children later diagnosed with autism at 0-6 months, compared to 9% of those not diagnosed.
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
Data was collected retrospectively via parental recall, which may be inaccurate, although the study limited age to under 6 to mitigate this. The sample was predominantly Caucasian, university-educated, and high-income, which may not reflect all populations. The study relied on a single questionnaire item for 'unusual development' rather than prospective observation.
Declared interests
The University of Western Australia funded the work. No other specific conflicts of interest were declared in the provided text.
The easy way to misread this
Do not assume that parents of children with an older autistic sibling are 'hypervigilant' and therefore unreliable reporters of early developmental concerns. This study found that sibling status did not increase the reporting of concerns; parental reports were driven by the younger child's own actual developmental differences.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →