Answer: The human being interprets a situation and according to what he sees, emotions are manifested.
Explanation: In psychology, there is much talk about perception, it is one of the most studied aspects. An example is Gestalt psychology, which has contributed greatly to perception.
People take the one that draws their attention the most around them and based on that they have a perception. From what the person perceives emotions are generated. The perception about something is based on the beliefs that the person has had or has about something.
If a person is attacked by a dog, it is possible that he experiences emotions linked to fear. If this person later sees a dog, they are likely to think of the previous event, they already perceive it as threatening.