Flashcards in Chapter 2 Deck (20)
processes information that leads to the recognition and identification of objects.
animals must develop particular responses. e.g. you must have both eyes uncovered during a critical period if you want to use both eyes properly in the future.
portion of the world is visible at the present moment.
area of the visual field in which a stimulus will affect the activity of a cell. If we are talking about a cell that responds to touch, the receptive field would be a patch of skin.
visual illusion in which prolonged adaptation to an oriented stimulus causes shifts in subsequent perceived orientations.
gestalt grouping principles
guide the visual system and produce our perception of what goes with what. proximity, uniform connectedness, similarity, proximity, colinearity, reliability, putting parts together.
subjective or illusory contour
a stimulus that is not physically present but is filled in by the visual system.
how we associate different features, say, shape, color, and orientation, so that we perceive a single object?
matching representations of organized sensory input to stored representations in memory.
"without knowledge" comes from damage to the brain, not sensory organs.
an object can be viewed from an infinite combination of possible angles and possible distances, each of which projects a slightly different two-dimensional on a plane and on the retina.
pattern, like a cookie cutter, or stencil.
simple 2D and 3D forms such as cylinders, cones, and the like.
occurs when a stimulus or task facilitates processing a subsequent stimulus or task - "greases the skids"
demonstrates that the parts of an upright face are not processed independently, but rather are recognized in the context of the whole face.
we can perceive both interpretations, but only one at a time.
a state in which individual images to each eye compete.