. 2012 Jul 17;5:14. doi: 10.3389/fneng.2012.00014
Copyright © 2012 Fazel-Rezai, Allison, Guger, Sellers, Kleih and Kübler.
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in other forums, provided the original authors and source are credited and subject to any copyright notices concerning any third-party graphics etc.
Figure 4.
Scheme of virtual environment setup.