Moderation of Feedback Duration on Neurofeedback Learning and the Impact of Personality
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2018-02-05
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nl
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Abstract
EEG Neurofeedback training (NFT) protocols differ in method and employment. Even though
NFT relies on learning via feedback there is no consent on which feedback procedure to use.
This research tried to evaluate whether learning effects differ, depending on the method used
to provide feedback. Giving participants either immediate feedback or averaged feedback
about the previous 2 or 4 seconds was compared. Besides, there are individuals who are
unable to, or can only slightly, regulate their cortical activity. This study explored, whether
the Big Five personality factors (generally accepted personality traits) correlate with the
ability to learn from NFT. Participants, grouped at random (N = 53) included 34 Dutch, 17
German, and 2 participants of another nationality with a mean age of 22.4 years (SD = 3.1;
nmales= 17, nfamles = 36). Most followed a university education (n = 45). Results show that
participants getting immediate feedback and participants getting feedback about a 2-second
average had a significantly greater learning effect than participants getting feedback about a
4-second average. Giving feedback for a short period of time seems advantageous. Moreover,
results show that there is no correlation between the Big Five and the effects of NFT. The
small sample size impairs the results; future research may replicate the second question with
more participants.
Keywords: EEG neurofeedback, averaging, upper alpha, Big Five personality traits
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Faculteit der Sociale Wetenschappen