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Updated: Aug 5, 2025
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Eye Tracking Young Children with Autism
Published on: March 27, 2012
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Global motion processing in infants' visual cortex and the emergence of autism
Irzam Hardiansyah1, Pär Nyström2, Mark J Taylor3
1Center of Neurodevelopmental Disorders at Karolinska Institutet (KIND), Department of Women's and Children's Health, Karolinska Institutet & Stockholm Health Care Services, Stockholm, Sweden. irzam.hardiansyah@ki.se.
Communications Biology
|March 28, 2023
Summary
Early differences in global visual motion processing in 5-month-olds may predict autism development. This study reveals distinct neural organization in infants at high autism risk, offering insights into early neurodevelopmental differences.
Area of Science:
- Neuroscience
- Developmental Psychology
- Genetics
Background:
- Autism spectrum disorder (ASD) is a common neurodevelopmental condition with a strong heritable component.
- Behavioral symptoms of autism typically emerge around 2-3 years of age.
- Alterations in global visual motion processing are linked to autism in children and adults, but early developmental precursors are unknown.
Purpose of the Study:
- To investigate whether distinct global motion processing organization precedes autism symptom emergence in early childhood.
- To establish normative visual cortex activation profiles in 5-month-old infants.
- To examine the association between early visual processing organization and later autistic symptoms.
Main Methods:
- Utilized an infant electroencephalography (EEG) experimental paradigm.
- Established normative activation profiles for global form, global motion, local form, and local motion in the visual cortex using data from 473 5-month-old infants.
- Analyzed a sample of 52 5-month-olds at elevated likelihood of autism.
Main Results:
- Normative activation profiles for basic visual processing were established in 5-month-old infants.
- A different topographical organization of global motion processing in 5-month-olds at elevated autism likelihood was associated with autistic symptoms in toddlerhood.
- These findings suggest early neural differences in visual processing may be linked to autism development.
Conclusions:
- Distinct topographical organization of global motion processing in infancy is associated with later autism diagnosis.
- This study advances understanding of the neural organization of infant visual processing and its role in autism development.
- Early identification of visual processing differences may offer insights into the developmental trajectory of autism.
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