Abstract
According to the principle known as “the principle of present-tense ascription immunity”, “It is impossible for anyone to have or entertain thoughts without being aware—immediately and self-evidently—that he is thinking that thought”. In other words, my thoughts are fundamentally experienced as mine, and I typically have this experience of mineness immediately, that is, without any inference based on evidence about who is the thinker of the thought. Thought insertion reveals instead that, under particular pathological conditions, people can be startlingly in error about who is thinking a thought. How can this happen? In the attempt to specify how the capacity for self-ascription of a thought can..