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Fig. 3 | Journal of NeuroEngineering and Rehabilitation

Fig. 3

From: Transcranial magnetic stimulation for individual identification of the best electrode position for a motor imagery-based brain-computer interface

Fig. 3

Design of an online BCI trial. One online trial consisted of a two second baseline interval, a five second motor imagery task and a 2.5–3.5 s pause interval. A green arrow, which was continuously shown during the 5 s of the motor imagery interval, indicated the motor imagery class that the subject had to perform. The MI task classification was obtained during the last 3.75 s of the motor imagery task

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