22-year-old Vaishnavi is a Classical dancer but she can also dance Western really well. Every time she switches the form of the dance, she changes completely in her personality as well.
She has a Dissociative Identity Disorder. Formerly known as multiple personality disorder, dissociative identity disorder involves the presence of two or more different identities or personalities in one person. Each of these personalities has its own way of perceiving and interacting with the environment.
People with this disorder experience changes in behaviour, memory, perception, emotional response, and consciousness.