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. Author manuscript; available in PMC: 2023 Sep 8.
Published in final edited form as: J Neurosci Methods. 2022 Oct 10;382:109726. doi: 10.1016/j.jneumeth.2022.109726

Fig. 5. Influence of saccades on BCI -performance during fixation.

Fig. 5

(A) Changes in eye position and spectral power at 56 and 60 Hz during training. No difference between attention-left and attention-right trials is apparent for eye positions, contrary to the spectral power. Red solid lines indicate attention-right trials, while black dashed lines indicate attention-left trials. Grey areas mark the time interval where frequency-tagging was applied (B) The game session shows no differences in eye positions for attention-left and attention-right trials; however, it reveals larger differences in spectral power for these trials. Significant condition effects are marked in bold. Grey areas mark the time-window used to estimate direction of covert attention.