Consciousness, with its "constant" properties (e.g., focus,
dynamic character, point of view, and so forth) and "variable"
properties (e.g., immediacy vs. displacement, factuality vs.
fictionality), as well as its flow and displacement,
explains much of what we do with language.
Anca M. Nemoianu, (1996 review of) Wallace Chafe, Discourse, Consciousness, and Time:
The Flow and Displacement of Conscious Experience in Speaking and Writing
Chicago and London: University of Chicago Press 1994