Metamutation: an awareness of a change in state, while it is happening.
There are several different uses of the word ‘meta’ in the English language. One of its uses, according to Wikipedia is as follows:
In epistemology, the prefix meta- is used to mean about (its own category). For example, metadata are data about data (who has produced them, when, what format the data are in and so on). Similarly, metamemory in psychology means an individual’s knowledge about whether or not they would remember something if they concentrated on recalling it. Furthermore, metaemotion in psychology means an individual’s emotion about his/her own basic emotion, “or somebody else’s basic emotion.