Bachynska, N. V.; Doroshenko, E.; Bohuslavskyi, V.; Vilianskyi, V.; Sushko, R.; Doroshenko, I.; Didkovskiy, O. Psychophysiological Indicators of Functional Efficiency of the Organism of Future Specialists in the Security and Defense Sector under Conditions of Extreme Loads. J. learn. theory methodol. 2025, 6, 129-137.