Fig. 1

Experimental design. A Experimental setup. The augmented-reality screen displayed the paradigm. The white fixation cross was presented at the midline of participants. B Experimental conditions. There were four main conditions in the experiment, each with movements to the left and right. 1–2: unilateral movements with the ipsilesional arm, 3–4: unilateral movements with the contralesional arm, 5–6: bilateral anti-phase movements, 7–8: bilateral in-phase movements