CohortJournal of autism and developmental disorders2021

Atypical Topographical Organization of Global Form and Motion Processing in 5-Month-Old Infants at Risk for Autism.

Pär Nyström, Emily Jones, Fahimeh Darki and 2 others

PMID 32458154

WHAT IT FOUND

At 5 months, infants with a sibling with autism showed visual brain responses more to the side for whole-shape and whole-motion patterns, while basic visual change processing matched controls.

This is a brain signal difference, not a diagnosis.

Key findings

01High-risk infants showed brain responses more to the side when processing coherent visual form and motion.

02The same side-of-brain difference appeared for both global form and global motion.

03Responses to simple local visual change did not differ between the groups.

STILL TO COME

How it was doneWhat they found

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What it does not show

The infants had no diagnostic outcome data yet, so the brain pattern cannot be linked to later autism. The study measured one time point at 5 months, so it cannot show how this visual pattern develops. EEG records activity from the scalp, so it cannot identify exact brain sources. The high-risk group was defined by family history, not by a diagnosis in the infants. The study did not test an intervention or a therapy outcome.

Declared interests

Funding came from Riksbankens Jubileumsfond and Innovative Medicines Initiative. The supplied text does not report author conflicts of interest.

The easy way to misread this

Do not read this as evidence that autism is present at 5 months or that any therapy works. The infants were selected by family history, not diagnosis, and the study did not follow them to later outcomes.

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The study

Participants
50 high-risk infants and 23 low-risk infants
Certainty of evidence
Low

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    Cite

    Pär Nyström, Emily Jones, Fahimeh Darki, et al. Atypical Topographical Organization of Global Form and Motion Processing in 5-Month-Old Infants at Risk for Autism. Journal of autism and developmental disorders. 2021.

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