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Developmental perspective of sensory organization on postural control
1Division of Neurology, Nagano Children's Hospital, Japan.
Brain & Development
|March 1, 1995
Summary
Postural stability improves with age, but sensory systems develop at different rates. Vestibular function matures last, with girls showing an advantage over boys at 7-8 years old.
Area of Science:
- Neuroscience
- Developmental Biology
- Biomechanics
Background:
- Postural control relies on integrating sensory information.
- Sensory system development is crucial for motor learning and stability.
- Understanding developmental trajectories of sensory contributions is key.
Purpose of the Study:
- To investigate the developmental trajectory of sensory organization in postural control.
- To analyze the age-related maturation of somatosensory, visual, and vestibular systems.
- To identify sex differences in sensory contributions to balance.
Main Methods:
- Computerized dynamic posturography (CDP) was employed.
- Participants across various age groups were assessed.
- Sensory component analysis was performed to evaluate individual system contributions.
Main Results:
- Postural stability increased with age, not reaching adult levels by 15 years.
- Somatosensory function matured early (by 3-4 years).
- Visual function matured by 15 years, while vestibular function remained immature.
- Girls exhibited superior vestibular function compared to boys at 7-8 years.
Conclusions:
- Sensory systems mature at different rates, impacting overall postural control development.
- Vestibular system maturation is prolonged, extending beyond adolescence.
- Observed sex differences in vestibular function may have implications for developmental disorders.