stream of consciousness

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A literary technique that presents the thoughts and feelings of a character as they occur.
• noun Psychology The conscious experience of an individual regarded as a continuous, flowing series of images and ideas running through the mind.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun the continuous flow of thoughts that makes up an individual's conscious experience
• noun a literary device that seeks to describe this process by means of a long, unstructured soliloquy

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun the continuous flow of ideas and feelings that constitute an individual's conscious experience
• noun a literary genre that reveals a character's thoughts and feeling as they develop by means of a long soliloquy