Orwell, George — Nineteen eighty-four [85]

Partly it was a sort of hymn to the wisdom and majesty of Big Brother, but still more it was an act of self-hypnosis, a deliberate drowning of consciousness by means of rhythmic noise. Winston’s entrails seemed to grow cold. In the Two Minutes Hate he could not help sharing in the general delirium, but this subhuman chanting of ‘B-B!… B-B!’ always filled him with horror. Of course he chanted with the rest: it was impossible to do otherwise. To dissemble your feelings, to control your face, to do what everyone else was doing, was an instinctive reaction. — Orwell, George, Nineteen eighty-four, 85

Note

Names the mechanism outright: ‘self-hypnosis, a deliberate drowning of consciousness by means of rhythmic noise.’ The paradox — performing innocence until it becomes instinct — is the voluntary submission that makes enforced conformity durable.