TY JOUR TI Prevention of decline in the level of psychophysical state of elderly individuals with dementia through adaptive physical education KW elderly age KW dementia KW adaptive physical education KW psychophysical state JO Scientific notes of P. F. Lesgaft University AU Ladygina, E.B. AU Kovaleva, Y.A. AU Evseeva, O.E. AU Ladygina, A.E. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft