Cortical motor areas show different reorganizational changes in adult patients with brachial plexus birth injury (BPBI).

This study showed that the cortical activity in the associative motor regions was weaker in the patients while no primary region showed any difference. The results were concluded that there is a diversity in the neuroplastic changes between primary and associative motor areas. Clinically, neurorehabilitative interventions should be planned based on this diversity.