Depersonalization neurosis is a mental health condition where individuals tend to feel detached from their own reality and experiences. This condition is also known as depersonalization disorder or simply depersonalization. Synonyms for this term include dissociative disorder, existential crisis, detachment syndrome, and depersonalization syndrome. These synonyms refer to the same psychological experience of feeling disconnected from oneself, one's surroundings, and one's emotions. Depersonalization neurosis can be triggered by stress, anxiety, trauma, substance abuse, or genetic factors. Treatment may involve psychotherapy, medication, or a combination of both. It's crucial to seek professional help if you or someone you know is experiencing symptoms of depersonalization.