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The cortical evoked potentials in children with developmental coordination disorder (DCD)
L Boćkowski1, W Sobaniec, W Kułak
1Department of Pediatric Neurology and Rehabilitation, Medical University of Białystok, Poland. bockow@kki.pl
Roczniki Akademii Medycznej W Bialymstoku (1995)
|August 27, 2005
Summary
Electrophysiologic testing in children with developmental coordination disorder (DCD) revealed prolonged central conduction time in somatosensory evoked potentials (SEPs), suggesting afferent pathway involvement. Further research is needed to understand neurological deficits in clumsy children.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Clinical Electrophysiology
Background:
- Developmental Coordination Disorder (DCD) affects motor and cognitive skills.
- The underlying neurological mechanisms of DCD are not fully understood.
- Electrophysiological assessments can evaluate neural pathway integrity.
Purpose of the Study:
- To assess the integrity of afferent pathways in children with DCD using evoked potentials.
- To identify potential neurological lesions contributing to DCD symptoms.
- To explore the relationship between electrophysiological findings and DCD characteristics.
Main Methods:
- Short-latency somatosensory evoked potentials (SEP), pattern-reversal visual evoked potentials (VEP), and cognitive event-related potentials (CERP) were recorded.
- Electroencephalography (EEG), CT scans, and neuropsychological assessments were also conducted.
- The study involved two pediatric patients diagnosed with DCD.
Main Results:
- Patients exhibited prolonged N20 and P25 latencies and increased central conduction time in SEPs.
- Normal findings were observed for N9, N11, and N13 latencies.
- VEP, CERP, EEG, and neuroimaging results were within normal limits.
Conclusions:
- Disturbances in afferent pathway integrity may be a contributing factor to DCD.
- Electrophysiological findings suggest potential subclinical neurological deficits in children with DCD.
- Further research is necessary to elucidate the specific neurological sources of developmental dyspraxia.