Author contribution: Gulyaev SA — data analysis, manuscript writing, editing; Voronkova YuA, Abramova TA — data acquisition; Kovrazhkina EA — editing.

Compliance with ethical standards: the study was approved by the Ethics Committee of the Federal Center for Brain and Neurotechnologies of FMBA (protocol № 148-1 dated June 15, 2021). All the subjects took part in the experiment on a voluntary basis with no extra benefit. The experiment was studied by employees of the Federal Center for Brain and Neurotechnologies of FMBA within the limits of scientific work conducted by the institution with no third party funding.