Author: Engelbregt, H.J.; Keeser, D.; van Eijk, L.; Suiker, E.M.; Eichhorn, D.; Karch, S.; Deijen, J.B.; Pogarell, O.
Description: OBJECTIVE: In this study we evaluated long-term effects of frontal beta EEG-neurofeedback training (E-NFT) on healthy subjects. We hypothesized that E-NFT can change frontal beta activity in the long-term and that changes in frontal beta EEG activity are accompanied by altered cognitive performance.
METHODS: 25 healthy subjects were included and randomly assigned to active or sham E-NFT. On average the subjects underwent 15 E-NFT training sessions with a training duration of 45 min. Resting-state EEG was recorded prior to E-NFT training (t1) and in a 3-year follow-up (t3).
RESULTS: Compared to sham E-NFT, which was used for the control group, real E-NFT increased beta activity in a predictable way. This increase was maintained over a period of three years post training. However, E-NFT did not result in significantly improved cognitive performance.
CONCLUSION: Based on our results, we conclude that EEG-NFT can selectively modify EEG beta activity both in short and long-term.
SIGNIFICANCE: This is a sham controlled EEG neurofeedback study demonstrating long-term effects in resting state EEG.
Subject headings: Brain modulation; Electroencephalography; EEG; Short and long-term effects; Neurofeedback
Publication year: 2016
Journal or book title: Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
Volume: 127
Issue: 4
Pages: 1931-1937
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Type: Journal Article
Serial number: 1293