Fig. 6From: Brain-Computer Interface application: auditory serial interface to control a two-class motor-imagery-based wheelchairSchematic and real path. (Top) The schematic path with the starting point (blue square), the different points over which the wheelchair will pass (green circles), and the goal (red cross). (Bottom) The BCW in the real environment. The path to be followed was delimited by folding chairsBack to article page