542 al. 2007, 2008; Iseki et al. 2008) and when paraplegic patients imagined foot and leg movements 543 (Alkadhi et al. 2005; Cramer et al. 2005; Hotz-Boendennaker et al. 2008). A cortically EEG- 544 driven BMI for the restoration or rehabilitation of walking could be also used as a strategy to 545 harness or potentiate