Induced gamma band activity from EEG as a possible index of training-related brain plasticity in motor tasks
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Author
Amo, Carlos
De Santiago, Luis
Zarza Luciáñez, Daniel
León Alonso-Cortés, José Miguel
Alonso-Alonso, Miguel
Barea, Rafael
Boquete, Luciano
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https://doi.org/10.1371/journal.pone.0186008Metadata
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Amo, Carlos, Luis De Santiago, Daniel Zarza Luciáñez, José Miguel León Alonso-Cortés, Miguel Alonso-Alonso, Rafael Barea, and Luciano Boquete. 2017. “Induced gamma band activity from EEG as a possible index of training-related brain plasticity in motor tasks.” PLoS ONE 12 (10): e0186008. doi:10.1371/journal.pone.0186008. http://dx.doi.org/10.1371/journal.pone.0186008.Abstract
The aim of this study was proposing gamma band activity (GBA) as an index of training-related brain plasticity in the motor cortex. Sixteen controls underwent an experimental session where electroencephalography (EEG) activity was recorded at baseline (resting) and during a motor task (hand movements). GBA was obtained from the EEG data at baseline and during the task. Index of plasticity (IP) was defined as the relationship between GBA at the end of the motor task (GBAM_FIN), divided by GBA at the beginning of the task (GBAM_INI) for movements of both hands. There was a significant increase in GBA at the end of the task, compared to the initial GBA for the motor task (GBAM_FIN > GBAM_INI). No differences were found at baseline (GBAB_FIN ≈ GBAB_INI). Individual IP values had a positive (r = 0.624) and significant correlation with subject’s handedness. Due to plastic changes, GBA could indirectly but objectively reveal changes in cerebral activity related to physical training. This method could be used as a future diagnostic test in the follow-up of patients undergoing rehabilitation. It could also have potential applications in the fields of sports medicine.Other Sources
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5628939/pdf/Terms of Use
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