What determines the formation of human behavior?

Human behavior depends on many different factors. Psychology tries to explain human behavior, but most scientists consider psychology to be a pseudoscience. Human behavior is shaped by some features of the brain. This may be unusual behavior for a person in cases of defect. But basically, a person forms his behavior by learning from birth in society. A lot depends on the environment. Although a person can develop in a bad environment and have completely different behavior. It is also associated with the characteristics of some areas of the brain.