TY JOUR TI Assessment of the sensory perception and psychomotor abilities of older preschool children aged 6-7 years with mental retardation KW sensory-perceptual abilities KW psychomotor abilities KW children with mental retardation KW senior preschool age KW children 6-7 years old JO Scientific notes of P. F. Lesgaft University AU Botyaev, V.L. AU Strel'cova, E.R. PY 2024 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft