The goal of this clinical trial is to validate the efficacy of a Brain-Computer Interface (BCI)-based intervention for hand motor recovery in subacute cervical spinal cord injured (SCI) patients during rehabilitation. The study will provide evidence for the clinical/neurophysiological efficacy of the BCI intervention as a means to promote cortical sensorimotor plasticity (remote plasticity) and thus maximize recovery of arm functions in subacute cervical SCI. Participants will undergo an extensive clinical, neurophysiological, neuropsychological and neuroimaging assessment before and after a BCI training based on motor Imagery (MI) of hands. The intervention will be delivered with a system that was originally validated for stroke patients and adapted to the aims of this study. Researchers will compare the BCI intervention with an active MI training without BCI support (active comparator).
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Mean change from baseline on Graded Redefined Assessment of Strength, Sensibility and Prehension (GRASSP) somatosensory scores of bilateral arms at end of intervention
Timeframe: Pre-Randomization, Post Training (within 48 hours)