brainwashing

brainwashing, systematic effort to persuade nonbelievers to accept a certain allegiance, command, or doctrine. A colloquial term, it is more generally applied to any technique designed to manipulate human thought or action against the desire, will, or knowledge of the individual. By controlling the physical and social environment, an attempt is made to destroy loyalties to any unfavourable groups or individuals, to demonstrate to the individual that his attitudes and patterns of thinking are incorrect...