Figure 1
From: Decoding hand movement velocity from electroencephalogram signals during a drawing task
Drawing task paradigm. The example of movement trajectories (blue dotted lines) performed by a subject. Movement directions are displayed as the red arrows. The starting point is represented as green circle 1. It was randomly initialized by the laptop. The movement targets are denoted as circle 2 to circle 7. The number and positions of the targets were determined online by the subjects.