"05144023" - 1 õppematerjal

Nägemis taju, Gibson VS Gregory

picture in our brain, based on personal knowledge and experience. In other words the processes of perception is essentially affected by our expectations and probability in perceiving the world. Therefore conceptually driven perceptual processing is called a top- down process due to the indirect process that involves making assumptions about the world. 1 05144023 However, another theory of visual perception is called bottom-up/data driven processes Gibson (1979). As the major bottom-up theorist, he argues that perception is a direct process, determined by the information presented to the sensory receptors. In other words, perceptions starts with light reflected by objects which creates an optic array containing all the visual information from the environment to the eye as a stationary perceiver