The condition you are referring to as "multiple personality disorder" (MPD) is now known as Dissociative Identity Disorder (DID). DID is a recognized psychiatric disorder listed in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5), which is the standard classification of mental disorders used by mental health professionals.
DID is characterized by the presence of two or more distinct identity states, commonly referred to as "alters" or "personalities." These identity states have their own unique ways of perceiving, relating to, and interacting with the world, and they can take control of the person's behavior, thoughts, and emotions at different times. Individuals with DID also experience gaps in memory during switches between identity states.
DID is not considered an overactive imagination or a made-up phenomenon. It is a legitimate and recognized mental health condition that arises as a result of severe and chronic trauma, often experienced during childhood. The dissociation that occurs in DID is a coping mechanism that allows the person to compartmentalize and escape from overwhelming and distressing experiences.
While there have been cases of individuals faking or exaggerating DID symptoms for various reasons, it is crucial to remember that this does not negate the genuine experiences of those who do have the disorder. DID is a complex and challenging condition that requires proper evaluation, diagnosis, and specialized treatment by qualified mental health professionals.
It is essential to approach the topic of DID with empathy, understanding, and an evidence-based perspective to support those who are genuinely affected by this disorder. If you or someone you know is struggling with symptoms suggestive of DID or any mental health condition, seeking help from a qualified mental health practitioner is strongly recommended.