At the more extreme end there's thought suppression: https://en.wikipedia.org/wiki/Thought_suppression https://en.wikipedia.org/wiki/Thought_suppression I ther

At the more extreme end there's thought suppression: https://en.wikipedia.org/wiki/Thought_suppression https://en.wikipedia.org/wiki/Thought_suppression I there could be milder versions as well: catching oneself getting into thoughts that lead to something you don't want to think about and consciously divert from that. I think I recognize that.