childhood and adolescence. Experience can expand or contract cortical zones devoted to particular movements, and recovery after injury may recruit premotor and somatosensory contributions to descending pathways.

Maturation of corticospinal systems

Transient bilateral projections are common in infancy; progressive myelination, synaptic pruning and strengthening of cortico-motoneuronal connections accompany the emergence of fine manual dexterity. Diffusion MRI and TMS demonstrate increasing tract integrity and decreasing motor

1.Previous
3.Next