study of visual illusions seems a fruitless enterprise to understand the perception Discuss
Perception” refers to the way in which we interpret the information that is gathered and processed by the sense. ... This information is now passed onto the LGN and visual cortex, and so we are able to make sense of what we perceive. ... The concept of a “visual illusion” in psychology refers to a misinterpretation of an experience of sensory perception, where the stimuli are objectively present and the mistaken perception is due to physical rather than psychological causes. One such theory that claims that these types of illusions stem from an underlying physical cause stems from the work of neurobiologists Dale Purves, Beau Lotto, Shuro Nundy, Amita Shimpi, Mark Williams and Zhiyong yang of the Duke university medical centre. They suggest that all visual perceptions are simply a set of behavioural reflexes that we have evolved into, for example; a doctor tapping your knee with a rubber hammer. They believe that human beings have developed this way of dealing with visual illusions simply because there is no other way for us to counter visual stimuli that are always indefinite, (as the image displayed on the retina could have been produced by numerous real-world sources). There are many approaches that aim to explain the basis of visual illusions, one such approach is the Constructivist approach proposed by Gregory.