Narcissistic personality disorder is a mental disorder in which people have an inflated sense of their own importance, a deep need for admiration and a lack of empathy for others. But behind this mask of ultraconfidence lies a fragile self-esteem that’s vulnerable to the slightest criticism.
Causes: It’s not known what causes narcissistic personality disorder. As with other mental disorders, the cause is likely complex. Narcissistic personality disorder may be linked to:
- Mismatches in parent-child relationships with either excessive pampering or excessive criticism
- Genetics or psychobiology — the connection between the brain and behavior and thinking