Affective epistemology is based on the idea that there is a way of knowing which transcends, specific perceptual frames. This idea is predicated on affective components as indicating the quality of a given perception, thought form, or way of being in the consciousness of human beings and other sentient life.
A relatively new theory is offered for the classic illusion that the moon's constant subtended visual angle of half a degree appears larger for the horizon moon than for the zenith moon.
We think we perceive objective reality, but perception is always altered by invisible biases. We are never free of the state-dependent bias, and so we are continually taken in by an illusion.
This site shows a range of common visual illusions along with a brief explanation of why they occur. It was originally prepared to show at a children's primary school as part of their study of sensory processing.
Contains information about current research into human visual perception. Features material from some of the courses run by the psychology department and information about staff and students.s