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. 2020 May 26;45(3):195–210. doi: 10.1007/s10484-020-09472-1

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© The Author(s) 2020

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Fig. 3 — NFT feedback display; a video of an airplane flying over a mountainous terrain that only proceeds if the theta power (first bar from left) was below the pre-set threshold (horizontal black line on the bar) and the beta power (second bar from left) was above the pre-set threshold simultaneously. The bar on the right represents eye-blinks and muscle artifacts. This image is a screenshot of NFT feedback in BioTrace Software (Mind Media B.V., The Netherlands)