Viewing behavior and related clinical characteristics in a population of children with visual impairments in the Netherlands.
Slow head-turn toward a new picture signals deeper visual or brain issues in kids with visual impairments.
01Research in Context
What this study did
Dutch researchers watched the children with visual impairments. They timed how fast each child turned toward a new picture.
Doctors also checked for brain damage, cerebral visual impairment, and intellectual disability.
What they found
Kids who turned their heads slowly had more brain problems. Even the fastest kids in the group were still slower than typical children.
Slow orienting speed lined up with more medical red flags.
How this fits with other research
Tang et al. (2023) pulled together 30 studies on dyslexia. They found the same kind of visual attention gaps.
McGonigle et al. (2014) used a timed picture game with high-functioning autistic youth. Two-thirds of them also slowed down, just like the visually-impaired kids.
Sisson et al. (1993) tested kids with mild ID on rapid picture tasks. They missed more targets, matching the slower orienting seen here. All three papers point to a shared attention bottleneck.
Why it matters
You can measure orienting speed with a stopwatch and a toy. If the child takes longer than two seconds to look at a new object, flag for deeper vision or brain testing. This quick screen costs nothing and fits right into your intake intake.
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02At a glance
03Original abstract
Children with visual impairments are very heterogeneous in terms of the extent of visual and developmental etiology. The aim of the present study was to investigate a possible correlation between prevalence of clinical risk factors of visual processing impairments and characteristics of viewing behavior. We tested 149 children with visual information processing impairments (90 boys, 59 girls; mean age (SD)=7.3 (3.3)) and 127 children without visual impairments (63 boys and 64 girls, mean age (SD)=7.9 (2.8)). Visual processing impairments were classified based on the time it took to complete orienting responses to various visual stimuli (form, contrast, motion detection, motion coherence, color and a cartoon). Within the risk group, children were divided into a fast, medium or slow group based on the response times to a highly salient stimulus. The relationship between group specific response times and clinical risk factors was assessed. The fast responding children in the risk group were significantly slower than children in the control group. Within the risk group, the prevalence of cerebral visual impairment, brain damage and intellectual disabilities was significantly higher in slow responding children compared to faster responding children. The presence of nystagmus, perceptual dysfunctions, mean visual acuity and mean age did not significantly differ between the subgroups. Orienting responses are related to risk factors for visual processing impairments known to be prevalent in visual rehabilitation practice. The proposed method may contribute to assessing the effectiveness of visual information processing in children.
Research in developmental disabilities, 2014 · doi:10.1016/j.ridd.2014.03.038