ArticleJournal of autism and developmental disorders2026
Motor Variability of Circular Movements Reveals Differences in Non-Dominant Hand and Foot Control in Autistic Adults.
Article in Journal of autism and developmental disorders, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeAutism spectrum disorder (ASD) is increasingly recognized to involve difficulties in sensorimotor control. This study aimed to evaluate whether motor variability during rhythmic circular movements could serve as a measure of movement coordination quality.
methodsSeventeen clinically diagnosed autistic adults and twenty age- and IQ-matched individuals each performed fifteen-second circular movements with their left and right hands and feet, paced by a metronome. Motor variability was quantified as the deviation in circular acceleration trajectories measured using a smartphone's accelerometer sensor.
resultsAutistic adults showed greater motor variability in both lower limbs and their non-dominant hand compared to the comparison group. They also exhibited greater hand laterality than the comparison group. Individuals with greater foot variability also tended to show greater hand variability. This relationship was similar in the autistic and comparison groups.
conclusionQuantifying the movement variability of circular movements made with the upper and lower limbs may provide a rapid, quantitative assessment of coordination difficulties in autistic adults.
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