Dejavu occurs when someone gets the feeling that he has experienced or done something similar to his past experience. This term comes from French which means 'never seen'. Although studies show that dejavu is experienced by many healthy individuals, this incident can also be part of certain medical conditions, such as seizures and aura in migraines. Various Theories in Efforts to Solve Dejavu Many are curious about how the dejavu phenomenon can occur. Various studies have tried to explain how a person can experience dejavu. Several explanations exist regarding this phenomenon, including: Associated with mental disorders Initially there were suspicions that dejavu was associated with mental disorders, such as anxiety, dissociative identity disorder (previously known as compound personality disorder), and schizophrenia. However, the initial research conducted did not find strong evidence related to the correlation between them. Related to age and stress Accordin...