Developmental Motor Profile in Preschool Children with Primary Stereotypic Movement Disorder

Francesca Valente, Chiara Pesola, Valentina Baglioni, Maria Teresa Giannini, Flavia Chiarotti, Barbara Caravale, Francesco Cardona

Research output: Contribution to journalArticle

Abstract

Aim: Different neuropsychological dysfunctions have been described in children with primary Stereotypic Movement Disorder (SMD), mainly attention or motor coordination problems. Up to now with no study has evaluated psychomotor functions in preschoolers primary SMD. The aim of this observational study was to gather information on the motor profiles of SMD patients in this age range in comparison with typically developing children.

Patients and Methods: Twenty-six children (four girls) aged 36 to 76 months (mean= 53 ±10) with primary SMD were assessed by a structured evaluation including the Movement Assessment Battery for Children-Second Edition (MABC-2), the Beery-Buktenica Developmental test of Visual-Motor Integration (VMI), the Repetitive Behaviour Scale-Revised (RBS-R), the Motor Severity Stereotypy Scale (MSSS), and the Child Behaviour Checklist (CBCL). The diagnoses of Intellectual Disability or Autism Spectrum Disorder were exclusion criteria from the study. A comparison group of twenty-seven (four girls) typically developing children without stereotypies aged 36 to 59 months (mean= 48 ±7) was also examined.

Results: The MABC-2 total score was lower than 15th percentile in fifteen children with SMD (58%); the worst performances were observed in Balance and Manual Dexterity subtests. The motor coordination score of VMI was lower than 15th percentile in ten children (38%). The majority of the children with low scores at MABC-2 also had low scores at the motor coordination subscale of VMI. MABC-2 standard scores of the clinical group were significantly lower than those of controls on MABC-2 Total, Balance, and Ball Skills subtests.

Conclusion: The finding of widespread dysfunction of gross and fine motor abilities in preschoolers with primary SMD seems to delineate a peculiar phenotype and could provide new approaches to the management of this neurodevelopment disorder.

Original languageEnglish
Pages (from-to)1427294
JournalBioMed Research International
Volume2019
DOIs
Publication statusPublished - 2019

Keywords

  • Case-Control Studies
  • Child Behavior
  • Child Development
  • Child, Preschool
  • Female
  • Humans
  • Male
  • Motor Skills/physiology
  • Stereotypic Movement Disorder/physiopathology

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    Valente, F., Pesola, C., Baglioni, V., Teresa Giannini, M., Chiarotti, F., Caravale, B., & Cardona, F. (2019). Developmental Motor Profile in Preschool Children with Primary Stereotypic Movement Disorder. BioMed Research International, 2019, 1427294. https://doi.org/10.1155/2019/1427294