By way of the article "Brainwave Training Boosts Network for Cognitive Control and Predicts Mind Wandering", which references the study "Mind over chatter: Plastic up-regulation of the fMRI salience network directly after EEG neurofeedback", subjects were rewarded for suppressing alpha at Pz, resulting in less mind wandering.
“The effects we observed were durable enough to be detected with
functional MRI up to 30 minutes after a session of neurofeedback.”
I get what they are doing, and it makes sense, but it is kind of interesting that I did several hundred hours of neurofeedback doing the exact opposite, rewarding increases in alpha at Pz, which also seemed to eventually reduce mind wandering, perhaps by some other mechanism.
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