Stream of consciousness literary technique literarydevices.net/stream-of-consciousness

"stream of consciousness is a narrative mode or method that attempts to depict the multitudinous thoughts and feelings which pass through the mind (...) Stream of consciousness is a narrative device that attempts to give the written equivalent of the character's thought processes, either in a loose interior monologue, or in connection to his or her actions. (cont'd)

Stream-of-consciousness writing is usually regarded as a special form of interior monologue and is characterized by associative leaps in thought and lack of some or all punctuation (...) In stream of consciousness the speaker's thought processes are more often depicted as overheard in the mind (or addressed to oneself); it is primarily a fictional device." source: en.m.wikipedia.org/wiki/…