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Primitive reflexes and early motor development

D Bartlett1

  • 1Faculty of Rehabilitation Medicine, University of Alberta, Edmonton, Canada.

Journal of Developmental and Behavioral Pediatrics : JDBP
|June 1, 1997
PubMed
Summary
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Primitive reflexes showed no correlation with typical early motor development in infants. Assessments focusing on spontaneous movement may offer better insights into infant maturation than reflex testing.

Area of Science:

  • Developmental Pediatrics
  • Neuroscience
  • Motor Development Research

Background:

  • Primitive reflexes are automatic responses in infants, crucial for early survival and development.
  • Their persistence or absence is often used as an indicator of neurological status.
  • The relationship between primitive reflexes and overall motor development requires further clarification.

Purpose of the Study:

  • To examine the correlation between primitive reflexes and typical early motor development in infants.
  • To determine if primitive reflex assessments predict motor development milestones.
  • To inform clinical practices regarding the assessment and intervention for infant motor development.

Main Methods:

  • Longitudinal study involving 156 full-term infants with normal 18-month outcomes.

Related Experiment Videos

  • Assessment using the Primitive Reflex Profile (PRP) and Alberta Infant Motor Scale (AIMS) at 6 weeks, 3 months, and 5 months.
  • Statistical analysis to identify correlations between PRP scores and AIMS scores.

    • Main Results:

    • No significant positive or negative correlations were found between Primitive Reflex Profile scores and Alberta Infant Motor Scale scores at any assessment age.
    • Primitive Reflex Profile scores did not differ between infants with high and low motor development percentiles on the Alberta Infant Motor Scale.
    • Primitive reflexes were found to be unrelated to typical early motor development in this cohort.

    Conclusions:

    • Primitive reflexes appear to be independent of typical early motor development trajectories.
    • Observational assessment of spontaneous movement may be more informative than isolated primitive reflex testing for evaluating infant maturation.
    • Interventions for motor delays may not need to focus on suppressing or enhancing primitive reflexes.