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Exploiting Task Constraints for Self-Calibrated Brain-Machine Interface Control Using Error-Related Potentials

Fig 1

Experimental protocol.

(a) Experimental protocol. The protocol showed a 5 × 5 grid with a virtual cursor (green circle) and a goal location (shadowed in red). (b) The cursor could perform five different actions (from top to bottom, move one position up, down, left, right, or performing a goal-reached action). (c) Correct actions (i.e. optimal policy) from each state for the goal exemplified in (a). Extracted from [18] with permission.

Fig 1

doi: https://doi.org/10.1371/journal.pone.0131491.g001