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Abstract
This study examined prevalence of soft signs in 214 typically developing Chinese children and investigated whether soft signs are associated with attention deficit hyperactivity disorder (ADHD) in this population. Chinese children with ADHD (N = 54) scored significantly higher than age-matched controls on all three soft signs subscales and motor coordination correlated significantly with Stroop interference. Logistic regression supported the utility of the soft sign scales in discriminating children with ADHD and controls. Children with ADHD had a significant excess of soft signs, which may be a useful marker of developmental disruption in this clinical condition.
Notes
This study was supported partially by the Project-Oriented Hundred Talents Programme (O7CX031003), the Knowledge Innovation Project of the Chinese Academy of Sciences (KSCX2-YW-R-131), and a grant from the National Natural Science Foundation of China (30770723) to Raymond Chan. These funding agents had no role in the study design; collection, analysis, and interpretation of the data; writing of the article; or decision to submit the article for publication.
*p < .05
**p < .01
***p < .001. ADHD: attention deficit hyperactivity disorder (ADHD); BLK: blink; CNI: Cambridge Neurological Inventory; DI: disinhibition; FG: finger; L: left; MANOVA: multivariate analysis of variance; MC: motor coordination; R: right; SI: sensory integration.