Chapter 2.5

Question 1

What two aspects does bottom up processing include

Answer 1

-it includes feature detection and parallel processing

Question 2

What is top down processing driven by

Answer 2

-it is driven by expectations and memories that allow the whole brain to recognize the object

Question 3

Perceptual organization

Answer 3

• use both top down processing and bottom up processing

- >to create a complete picture or idea

Question 4

What cues does depth perception depend on

Answer 4

-it depends on monocular and binocular cues

Question 5

What do monocular cues include(hint there are five answers)

Answer 5

• relative size of objects
• partial obscuring of objects by another
• convergence of parallel lines at a distance
• position of an object in the visual field
• lighting and shadowing

Question 6

What do binocular cues include(hint there are two answers)

Answer 6

• slight differences in images projected onto two retinas

- angle required between the two eyes to bring an object into focus

Question 7

What is form of an object determined by

Answer 7

-it is determined through parallel processing and feature detection

Question 8

What does constancy refer to

Answer 8

• refers to the idea that we perceive certain characteristics of objects to remain the same
• > even tho there is a change in the envrionment

-eg; we perceive a white piece of paper to remain the same in different lighting conditions

Question 9

What law are Gestalt principles governed by

Answer 9

• they are governed by the Law of Pragnanz

- >perceptual organization is regular, simple and symmetric as possible

Question 10

What are subjective contours

Answer 10

• perceiving contours

- >shapes that are not actually present within the stimulus