Autism Diagnosis Linked to Unusual Visual Examination of Objects

Autism diagnosis in infants at a later stage is associated with an unusual visual examination of objects by them.

Autism diagnosis in infants (9 months of age) at a later stage is associated with an unusual visual examination of objects by them as per a study “Repetitive behavior with objects in infants developing ASD predicts diagnosis and later social behavior as early as 9 months”, at the University Of California - Davis Health, published in the Journal of Abnormal Psychology.

Autism spectrum disorder (ASD) is a broad spectrum of disorders due to neurodevelopmental delay. It is primarily characterized by social, communication, and behavioral challenges.

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‘Autism diagnosis in infants (9 months of age) at a later stage is associated with an unusual visual examination of objects by them.’

About 1 in 54 children in the U.S. has been identified with ASD. Almost one in five younger siblings of autistic children is at an elevated risk of getting an autism diagnosis.

The present study looked at 89 infants whose older siblings have ASD (High-Risk group) and 58 infants with siblings with typical development (Low-Risk group). Visual inspection, repetitive behavior, and social engagement were evaluated in these children with autism.

Some of the unusual visual inspections are referred to as

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looking out of the corners of the eyes,
holding an object up very close to the face,
looking at something with one eye closed, or
staring at an object uninterrupted for more than 10 seconds.

The study thereby found that a 12-month social behavior was predicted very well by behavior at 9 months, but not vice versa.

“The findings support major theories of autism which hypothesize that infants’ over-focus on objects might be at the expense of their interest in people. Ultimately, this study suggests that unusual visual inspection of objects may precede the development of the social symptoms characteristic of ASD,” says Meghan Miller, associate professor in the Department of Psychiatry and Behavioral Sciences and UC Davis MIND Institute and the first author on the study.

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Source-Medindia

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