Motivation (synonym: attraction, motivation). Since the birth of the activity of an organism of the person or animal is directed on maintenance of a certain optimal level of functioning, predefined entire history of the development of this type (maintenance at a constant level of oxygen in the tissues, sugar, water-salt metabolism and other factors). Any deviation from this constant level (deviation from homeostasis) entails the mobilization of the Central and peripheral devices that return your system to the initial optimal level of functioning. Such a deviation from homeostasis and acts as a factor prompting the body to action to return to homeostasis initial constant level (search of food, water and so on). The state caused in the body as a result of a deviation from homeostasis, and is defined as motivation, drive or libido.
Assessment of internal needs, motivation and satisfaction is carried out with the help of emotional feelings.
Motivation characterized by selective treatment of animal and humans to certain environmental factors on the basis of emotional experiences.
Each motivation is based on the dominant principle, i.e. first of all manifested and is satisfied motivation, have a higher biological value.
Motivation is important for the education of the individual. As a rule, all conditional reflexes are formed only with proper motivation. On the other hand, motivation determine the type of higher nervous activity, a kind attitude of the animal and person to the surrounding environment.
In various pathological conditions are observed perversion biological motivations, which manifest in the form of an abnormal increase or decrease (overeating, lack of appetite, sexual addiction, impotence , and so on) or an attraction to certain chemicals (drug addiction, Smoking and other).