Dynamics of the brain: Mathematical models and non-invasive experimental studies V. Toronov, T. Myllylä, V. Kiviniemi and V.V. Tuchin Eur. Phys. J. Special Topics, 222 10 (2013) 2607-2622 Published online: 28 October 2013 DOI: 10.1140/epjst/e2013-02041-8