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. 2021 Mar 18;15:635653. doi: 10.3389/fnhum.2021.635653

Figure 1.

Figure 1

CYBATHLON racing game. We chose a palm tree as the pictogram for the REST state (i.e., the NOINPUT command), a calculator for the MENTAL SUBTRACTION task (i.e., HEADLIGHTS command), and arrows pointing to the left and right for, respectively, LEFT and RIGHT-HAND motor imagery (i.e., turning LEFT and RIGHT commands).