Blind printing, complex acrobatic tricks, sports exercises, virtuoso playing on musical instruments, the art of dance. Thanks to what a person is capable of such complex movements without direct control over their implementation with the help of the visual organs?
This is possible due to musculocutaneous sensitivity, when information about the position of the body enters the brain from the receptors of muscles, tendons, ligaments, joint capsules, and skin. If certain movements are repeated many times, then the subcortical nuclei take control over them and the movements are carried out automatically.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.