Benhadjela, WiamZidane, Merouane2023-05-222023-05-222023-05-22https://dspace.univ-tlemcen.dz/handle/112/20487Many linguists and psychologists have long been interested in studying different language changes to discover several psychological cases involved in language behaviour. Language deficit and speech disorder are associated with dissociative identity disorder. This study provides learners with the ability to learn effectively and accurately the language alters, by using movie analysis as a tool.enlinguists –psychologists- language changes- language behavior- Language deficit- speech disorder- dissociative identity disorder- language alters.Thesis