Brain functional connectivity and activity during motor control in children with cerebral palsy: a pilot
Xiaoyin Huang1, Hongyu Zhou1, Jingbo Zhang1
1Department of Rehabilitation, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.
Insights
Children with bilateral cerebral palsy (CP) show reduced brain connectivity compared to typically developing peers. Stronger brain connectivity is linked to better motor control in children with CP.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Rehabilitation Medicine
Background:
- Cerebral palsy (CP) is a neurological disorder affecting motor control due to early brain injury.
- Research on CP has focused on motor impairments, with less attention to brain activity and functional connectivity in children.
- Understanding brain functional connectivity in pediatric CP populations during motor tasks is crucial.
Purpose of the Study:
- To compare brain activity and functional connectivity during motor tasks in children with CP and typically developing (TD) children.
- To investigate differences in neural connectivity patterns between bilateral CP (BCP), hemiplegic CP (HCP), and TD children.
- To examine the relationship between functional connectivity and motor control performance in children with CP.
Main Methods:
- A cross-sectional study utilizing functional near-infrared spectroscopy (fNIRS).
- Inclusion of 6 children with BCP, 6 with HCP, and 5 TD children.
- Analysis of functional connectivity between sensory-motor cortex (SMC) and somatosensory association cortex (SAC), and its correlation with motor control.
Main Results:
- Children with BCP demonstrated significantly reduced functional connectivity between bilateral SMC and SAC compared to TD children (P<0.05).
- No significant differences in functional connectivity were found between children with HCP and either TD children or those with BCP (P>0.05).
- A positive correlation was observed between functional connectivity strength and motor control performance.
Conclusions:
- This study reveals distinct brain functional connectivity patterns in children with BCP compared to TD children.
- Findings highlight the critical role of functional connectivity in motor control for children with CP.
- These insights can inform the development of targeted therapeutic strategies to enhance motor function in pediatric CP.
Background:
Cerebral palsy (CP) is a neurological disorder caused by non-progressive brain injuries during fetal development or infancy, primarily characterized by impairments in motor control. While motor control challenges in CP have been extensively studied, limited attention has been paid to brain activation patterns and functional connectivity during motor tasks, particularly in pediatric populations. This study aims to compare brain activity and functional connectivity between children with CP and typically developing (TD) children during motor control tasks.
Methods:
This cross-sectional study employed functional near-infrared spectroscopy (fNIRS) to investigate brain activity and functional connectivity during motor tasks in children with CP. Participants included 6 children with bilateral CP, 6 with hemiplegic CP (HCP), and 5 TD children. Connectivity between critical brain regions, such as the sensory-motor cortex (SMC) and somatosensory association cortex (SAC), was analyzed. Furthermore, the relationship between functional connectivity and motor control performance was examined.
Results:
Children with bilateral CP (BCP) exhibited significantly reduced functional connectivity between the bilateral SMC and the SAC compared to TD children (P<0.05). However, no significant differences in functional connectivity were observed between children with HCP and either TD children or those with BCP (P>0.05), suggesting neural connectivity patterns in HCP are comparable to those in TD peers. A positive correlation was identified between functional connectivity and motor control, indicating that stronger connectivity is associated with better motor control outcomes.
Conclusions:
This study provides new insights into the functional connectivity of the brain in children with CP, highlighting differences in connectivity patterns between BCP and TD children. The findings underscore the importance of functional connectivity in motor control and offer potential implications for developing targeted therapeutic strategies. Understanding these connectivity patterns can aid in refining interventions aimed at improving motor function in children with CP.
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