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. 2020 Feb 22;20(4):1204. doi: 10.3390/s20041204

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Average power spectral density during trials between conditions. (a) The relative group-level PSD for the target electrode C3, representing the left motor cortex (8-24 Hz) between the Screen (left, blue) and HMD-VR (right, yellow) conditions was not significantly different. (b) The relative group-level alpha between the Screen (left, blue) and HMD-VR (right, yellow) conditions was also not significantly different. (c) The relative group-level beta between the Screen (left, blue) and HMD-VR (right, yellow) conditions was also not significantly different.