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Cognition of the world is based on the concept of interest. Interest is an innate intention that moves a person along the civilizational path of progress. Remember your childhood, when you want to know everything around, “stick your nose” into your own business, get new experiences and experiences. Children’s interest in the world is an important component of personality formation, and for an adult it is also a force that prompts movement towards goals, expands the vision and understanding of the world, and motivates the creation of life.

There are many functional features of interest – increased attention, attraction to a person, mental aspiration, desire. They are formed under the influence of a cocktail of different substances, based on SEROTONIN, DOPAMINE, PHENYLETHYLAMINE.

So let’s start with SEROTONIN.

The well-known “hormone of happiness”. Serotonin is a hormone and neurotransmitter that is responsible for many important functions in the human body. It takes part in the transmission of nerve impulses, motor function, forms a mood lift and stimulates the front parts of the brain, which are just responsible for cognitive activity. It is the process of cognition that causes anticipation and revival in front of the object of interest.

Body sensations of interest: + lightness and energy

+ vigor of movement

+ attentive, possibly narrowed eyes

+ desire to look, touch, try

+ bodily emancipation

+ determination to act

Serotonin also controls the sensitivity of receptors to stress hormones, the lower the Serotonin level, the higher the susceptibility to stress. So, directly or indirectly, by showing interest, we reduce the amount of stress in our life.

If the attraction of the soul is interest, then the attraction of the body is desire. PHENYLETHYLAMINE is responsible for it.

Phenylethylamine is a chemical substance, a neurotransmitter, which is responsible for feelings of love, sympathy, warmth towards an object. It works “hand in hand” with Serotonin and Dopamine, but unlike them, it lives very little and decays quickly.


When we meet someone we like in some way, we begin to feel a special emotional warmth, physical attraction, or a specific surge of romanticism – most likely this is a rush of Phenylethylamine.

The state of such interest may be accompanied by:

+ decreased appetite

+ hyperactivity

+ decreased sleep

Anticipating the receipt of the desired object of interest, another hormone and neurotransmitter DOPAMINE is released.

Dopamine is an important substance in our body’s motivation system. Dopamine is responsible for the feeling of pleasure. Even a mental process aimed at an object of interest, a goal, a dream will cause a rush of Dopamine.

Dopamine also makes us want to be new, curious, and seek fresh sensations. Interestingly, the gene encoding one of the 5 dopamine receptors is responsible for the search for novelty. The length of this gene determines how difficult or simply a person can achieve peak states of pleasure – the buzz from simple things or sophistication in objects and actions.

Dopamine rewards us with pleasure for the work done, makes the brain understand what needs to be remembered in order to enjoy it, and motivates us to take steps to this again and again.

And finally, always remember that it is in our hands to activate the emotion of INTEREST! This can and should be learned! The result of such skill will be more confidence in your abilities, activity in action and liveliness in your attitude, and all life achievements will be given to you easily and simply!