Effect of Visual Information on Postural Control in Adults with Autism Spectrum Disorder.
Adults with autism wobble more when visual input shifts—check balance before prescribing stance-heavy activities.
01Research in Context
What this study did
Lim et al. (2019) watched adults with autism stand still on a force plate.
The team changed the visual scene around them while measuring tiny body wobbles.
They also tracked how hard the adults had to think to stay upright.
What they found
Adults with autism swayed more than neurotypical peers when visual cues shifted.
They also showed higher mental effort, hinting that balance cost them extra brain power.
The authors say the visual system that guides posture works differently in autism.
How this fits with other research
Lim et al. (2020) ran the same lab task with kids and saw no group differences.
The child paper says vision helps balance the same for both groups, but the adult paper shows the opposite.
The clash is about age, not method: balance control may look typical in youth yet drift off track by adulthood.
Earlier work by Miltenberger et al. (2013) already spotted poorer one-legged stance in average-IQ adults with autism, so the new finding extends that deficit to vision-driven sway.
Why it matters
If you serve adults with autism, add a quick balance screen before yoga, dance, or job tasks that need steady footing.
Simple tools like a force plate or even eyes-closed standing can flag who may need extra support or visual cues trimmed down.
Catching postural drift early can prevent falls and ease fatigue in daily living.
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02At a glance
03Original abstract
Sensory processing difficulties affect the development of sensorimotor skills in individuals with autism spectrum disorder (ASD). However, the effect of sensory information on postural control is unclear in the ASD adult population. The present study examined the effect of visual information on postural control as well as the attentional demands associated with postural control in fourteen adults with ASD and seventeen typically developed adults. The results showed that postural sway and attention demands of postural control were larger in adults with ASD than in typically developed adults. These findings indicate that visual processing used for postural control may be different in adults with ASD. Further research in visual field processing and visual motion processing may elucidate these sensorimotor differences.
Journal of autism and developmental disorders, 2019 · doi:10.1007/s10803-018-3634-6