Spatial patterns in EEG activity during monotonous sound perception test Anastasiya Runnova, Maxim Zhuravlev, Rail Shamionov, Ruzanna Parsamyan, Evgeniy Egorov, Anton Kiselev, Anton Selskii, Olesya Akimova, Anatoly Karavaev and Jürgen Kurths Eur. Phys. J. Plus, 136 7 (2021) 735 Published online: 09 July 2021 DOI: 10.1140/epjp/s13360-021-01716-1