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Erschienen in:
2019 | OriginalPaper | Buchkapitel
The Neural Effects of Extended Practice and the Benefits of a Nap
verfasst von : S. Ricci, A. B. Nelson, E. Tatti, P. Panday, J. Lin, B. O. Thomson, H. Chen, G. Tononi, C. Cirelli, M. F. Ghilardi
Erschienen in: Converging Clinical and Engineering Research on Neurorehabilitation III
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Abstract
Can intense learning induce neuronal fatigue in well rested subjects? To answer this question, we recorded high density EEG during extended practice in a visuo-motor adaptation. We found that prolonged learning leads to a progressive slowing of electroencephalographic (EEG) activity over the cortical areas engaged by the task itself. Extended daytime training resulted in task-specific and local sEEG power increase in the low frequency range over areas that were engaged during training. This was accompanied by increased performance errors in the test that shared the task characteristics. Finally, an afternoon nap but not an equivalent period of quiet wake renormalized the local EEG changes induced by intense training and restored both performance and the ability to learn.