Vision Flashcards
What part of the eye connects the retina to the brain?
Optic Nerve
What cells in the retina detect color?
Cones
Which cells in the retina are more sensitive to low light but cannot detect color?
Rods
What part of the retina is responsible for sharp central vision?
Fovea
What is the function of the ventral visual pathway?
Identifying “what” an object is
What is the primary role of the dorsal visual pathway?
Determining “where” an object is
Which brain region processes initial visual information from the retina?
Primary Visual Cortex (V1)
In Marr’s theory, which stage processes basic edges and contrasts in images?
Primal Sketch
In Marr’s vision model, which stage represents depth and surface orientation?
2.5-D Sketch
What is the final stage in Marr’s model that creates a viewer-independent representation of objects?
3-D Model
What visual phenomenon describes our inability to notice changes in our environment?
Change Blindness
What is the name of the neural mechanism sensitive to motion direction and speed?
Reichardt Motion Detector
What term describes the brain’s ability to combine visual features like color and shape into a unified perception?
Binding
Which retinal cells process luminance differences in the visual field?
Luminance Detection Cells
What part of the visual system responds to both real and illusory contours?
Extrastriate Cortex