Doctor Veronika Borbélyová completed a training stay within the framework of the Erasmus+ grant for staff mobility for training, mediated by the Faculty of Medicine of Comenius University. Within the framework of this mobility, she worked at the Institute of Physiology of the 1st Faculty of Medicine of Charles University in Prague under the professional supervision of assoc. prof. MUDr. Vladimír Riljak, PhD.. During her stay, she focused on investigating the spontaneous behavior of female and male mice in the presence and absence of a social partner, using a modern system for monitoring animal behavior in a home cage – LABORAS. This research stay laid the foundations for a joint scientific paper.