TY JOUR TI Approaches to the study of prosocial behavior and altruism KW positive psychology KW positive neuroscience KW social neuroscience KW well-being KW altruism KW prosocial behavior JO Russian Journal of Deviant Behavior AU Rean, A.A. AU Shevchenko, A.O. AU Stavtsev, A.A. AU Kuzmin, R.G. PY 2026 IS 6 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION