An automated electronic method for quantifying spinning (circling) in children with autistic disorder
Abstract
This pilot study examined and quantified rotational asymmetry (the tendency to turn preferentially to the right or left side). An automated device was used to measure turning (circling) in 9 children with autism and 27 normal control subjects and confirmed clinical observations of stereotypical spinning behavior in patients with autism. This behavior was significantly preferential toward the left side relative to control subjects (P = 0.0009, two-tailed). Group membership accounted for approximately 40% of variance. Although the precise causes of autism are not known, these preliminary data suggest that the spinning behavior often seen in children with neurodevelopmental disorders can be reliably measured. Furthermore, spinning in autism may most often manifest as specific right-hemispace neglect.
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