Objective To analyze the association between sensory integration function and developmental dyslexia in children with attention deficit hyperactivity disorder, in order to privide new clues for improving reading ability and sensory integration function. Methods Totally 345 children diagnosed with ADHD in Shenzhen Children's Hospital from June 2019 to June 2021 were randomly selected, including 274 ADHD children comorbid DD, 71 children with ADHD only. Meanwhile, 103healthy children were selected into control group. One-way ANOVA was used to compare the score of the sensory integration function among the three groups. Pearson correlation analysis was used to evaluate the correlation between sensory integration scores and rapid automatized naming (RAN). Results 1) The scores of vestibular balance(37.2±1.5,39.0±1.7), developmental dyskinesia (41.6±1.4, 44.4±1.6), spatial orientation(45.9±1.5, 48.5±1.7), proprioception(40.0±1.3, 42.1±1.5)and emotional response(42.3±1.3, 42.7±1.6) in ADHD children with or without dyslexia were not significantly different(P>0.05), which both were lower than those in control group(P<0.05). The scores of neurophysiological inhibition of the brain(44.9±1.3), tactile defense(48.9±1.3) in the comorbid group were lower than those in children with ADHD (49.6±1.5, 53.2±1.5), which were significantly lower in ADHD group than that in control group (P<0.05). 2) The score of rapid automatized naming was negatively related to vestibular balance, spatial orientation and tactile defense in the comorbid group (r=-0.201、 -0.121、-0.126, P<0.05). Conclusion Children with ADHD often have sensory integration dysfunction, most significantly in the children with ADHD comorbid DD, and some sensory integration indexes are negatively correlated with RAN.
Key words
attention deficit/hyperactivity disorder /
developmental dyslexia /
sensory integration function
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