PSYC 363 Chapter Notes - Chapter 4: Railways Act 1921
Document Summary
Image clutter: characteristic of visual scenes in which many objects are scattered in 3- D space, with partial occlusion of various parts of objects by other objects. Object variety: the world is filled with an enormous variety of objects, most of which you"ve never seen but can still instantly recognize. Variable views: different retinal images that a given object can project, depending on illumination and orientation. Representation: a pattern of neutral activity in the brain that contains info about a stimulus and gives rise to a subjective perceptual experience of that stimulus. Recognition: the process of matching the representation of a stimulus to a representation stored in long-term memory, based on previous encounters with a stimulus or with similar stimuli. *this chapter focuses on shapes; usually, most important determinant of what an object is. The fundamental steps of recognition: perceptual organization: the visual system"s way of dealing with scenes containing multiple overlapping objects makes object recognition possible.