repeating (a particular act over and over, often after initial stimulus has ceased) n.: perseveration
[A co-worker of the narrator has been falsely accused of sexual harassment in the workplace.] “This is all so degrading and atrocious,” said my wife. My wife has a tremendous ability to be outraged at the common injustices society visits on its members. … At long last, she simply stopped perseverating on this subject and moved on to new ones. (Stanley Bing, You Look Nice Today, Bloomsbury [2003], p. 104.)
