We experience and understand the world through signals that are received by the senses and interpreted by the brain - and both stages are subject to distortion.

All the same, we still need a scientific account of how exactly pains are caused by brain processes.

It is most important to emphasize that none of these processes are conscious.

In the first section of this review I raise the question of how brain processes cause our conscious experiences.

It should be emphasized that Emmet's theory yielded a number of byproducts in the process of application.

It is certain that Emmet contrived his 'dyad' style to facilitate the process of architectural design.