Psychotonics

**Psychotonics** are substances of organic origin that have been obtained synthetically, and the effects of which affect the activity of the central nervous system. Psychostimulants are psychotropic substances that change a person’s mental state. Drugs in this category are used in the presence of mild depressive states and loss of strength. Psychostimulants also have a positive effect on brain activity. The main criteria for a drug include: * it is a natural compound or a synthetic derivative;

* stimulates mental activity (the action affects the processes of memorization and concentration); * improves attention and the ability to maintain it for a long time; * eliminates the feeling of apathy