Short and long-term effects of sham-controlled prefrontal EEG-neurofeedback training in healthy subjects

Engelbregt, H. J., Keeser, D., van Eijk, L., Suiker, E. M., Eichhorn, D., Karch, S., Deijen, J. B., and Pogarell, O. (2016) Short and long-term effects of sham-controlled prefrontal EEG-neurofeedback training in healthy subjects. Clinical Neurophysiology, 127. pp. 1931-1937.

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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.

Item ID: 67590
Item Type: Article (Research - C1)
ISSN: 1872-8952
Keywords: Brain modulation; Electroencephalography; Long-term effects; Neurofeedback
Copyright Information: Copyright © 2016 International Federation of Clinical Neurophysiology. Published by Elsevier Ireland Ltd. All rights reserved.
Date Deposited: 11 May 2021 03:54
FoR Codes: 32 BIOMEDICAL AND CLINICAL SCIENCES > 3209 Neurosciences > 320999 Neurosciences not elsewhere classified @ 30%
52 PSYCHOLOGY > 5204 Cognitive and computational psychology > 520401 Cognition @ 35%
52 PSYCHOLOGY > 5203 Clinical and health psychology > 520301 Clinical neuropsychology @ 35%
SEO Codes: 20 HEALTH > 2001 Clinical health > 200105 Treatment of human diseases and conditions @ 50%
28 EXPANDING KNOWLEDGE > 2801 Expanding knowledge > 280121 Expanding knowledge in psychology @ 50%
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