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Developmental profiles and mentality in preschool children with Prader-Willi syndrome: a preliminary study

Chien-Min Chen1, Chia-Ling Chen, Jia-Woei Hou

  • 1Department of Physical Medicine and Rehabilitation, Chang Gung Memorial Hospital at Chiayi, Chang Gung University College of Medicine, Taoyuan, Taiwan.

Chang Gung Medical Journal
|September 1, 2010
PubMed

Insights

Children with Prader-Willi syndrome (PWS) exhibit uneven global developmental and mental delays across various domains. Fine motor and receptive language skills were notably better than gross motor and expressive language, respectively.

Area of Science:

  • Pediatric Neurology
  • Developmental Psychology
  • Genetics

Background:

  • Prader-Willi syndrome (PWS) is frequently associated with global developmental delay and cognitive impairments.
  • Understanding the specific developmental trajectories in children with PWS is crucial for targeted interventions.

Purpose of the Study:

  • To investigate the detailed developmental profiles and mental assessments in preschool-aged children diagnosed with Prader-Willi syndrome.
  • To compare the developmental functioning of children with PWS against a typically developing cohort.

Main Methods:

  • A cohort of ten children with PWS (15 months–6 years) and eleven typically developing children were assessed.
  • The Chinese Children Developmental Inventory (CCDI) was used to evaluate developmental quotients (DQ) across eight domains.
  • Intelligence quotient (IQ) and developmental index (DI) were measured for comprehensive mental assessment.

Main Results:

  • Children with PWS demonstrated significantly lower DQs across all eight CCDI domains compared to controls (p < 0.01).
  • Within the PWS group, fine motor skills surpassed gross motor skills, and receptive language exceeded expressive language abilities.
  • Verbal IQ was higher than performance IQ, and mental DI was superior to psychomotor DI in children with PWS.

Conclusions:

  • Children with Prader-Willi syndrome present with a distinct pattern of uneven global developmental and mental delays.
  • These findings provide valuable insights for clinicians to better understand and plan individualized treatment strategies for children with PWS.
Abstract

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