Article

The purpose of this study was to compare topographical maps using a
novel EEG-based brain mapping system with fMRI in normal and children with
cerebral palsy (CP) during a grasping motor task. METHOD: A normal child (mean
+/- SD = 13 +/- 0 yrs) and four children with CP (mean +/- SD = 10.25 +/- 2.86
yrs) were recruited from a local community school and medical center. A novel
EEG-based brain mapping system with 30 scalp sites (an extension of the 10-20
system) and a 3T MR scanner were used to observe cortical activation patterns
during a grasping motor task. DESIGN: Descriptive analysis. RESULTS: In the EEG
brain mapping data, the sensorimotor cortex (SMC) and inferior parietal cortex
(IPC) were activated in all of the children. The children with CP showed
additional activation areas in the premotor cortex (PMC), superior parietal
cortex (SPC), and prefrontal cortex (PFC). In the fMRI brain mapping data, SMC
activation was observed in all of the children, and the children with CP showed
additional activation areas in the PMC and primary somatosensory cortex (PSC).
DISCUSSION: The EEG-based topographical maps were equivalent to the maps obtained
from fMRI during the grasping motor task. The results indicate that our novel
EEG-based brain mapping system is useful for probing cortical activation patterns
in normal children and children with CP.

Langue : ANGLAIS