An exaggerated feeling of self-importance and a lack of empathy for others are characteristics of narcissistic personality disorder (NPD), A mental health disease. Individuals with NPD frequently overestimate their own talents and accomplishments and have an overwhelming desire for others’ approval. They could also feel entitled to things and think they are better than other people.
Although the precise causation of NPD is unknown, it is believed to be a result of a confluence of genetic, environmental, and sociocultural variables. According to some study, NPD may be more prevalent in those who suffered from specific kinds of childhood trauma, such as neglect or abuse. The prefrontal cortex, which is important in judgement and social conduct, and other brain regions may differ structurally and functionally in patients with NPD, according to other research.