Psychology 312 Test 2 Essay Questions list.

Questions that have been struck through will not be on the test.

Describe and give an example of four of the Gestalt laws of organization.

Discuss the Structuralist, Gestalt, and current theories of object perception. What are the essential features of each? Why were the Structuralist and Gestalt theories replaced by modern theories?

Describe the processing of wavelength including trichromatic theory, opponent processes theory. Describe the facts of color perception each could and could not account for.

Describe current thinking concerning the processing of wavelength and how the current theory relates to both the trichromatic and opponent processes theories.

Describe would be the difficulty associated with perception of intensity and wavelength if we had only one type of receptor in the eye? Then, discuss why we don’t have many, many different types of receptors, say, one for each wavelength of visible light.

Describe two perceptual constancies and the current explanations for each.

Describe four pictorial cues for depth perception with an example or illustration of each.

Describe binocular disparity. What is it? How is it produced? What physiological mechanisms may be involved in the experience of disparity?

Describe two illusions whose occurrence has been explained by reference to misperception of depth or distance. For each illusion, be sure to describe the explanation that has been put forth..

Describe in some detail two experiments in which the method of dishabituation has been used to demonstrate infant perceptual capabilities.

Describe an experiment, in some detail, in which preferential looking was used to demonstrate infant perceptual capabilities.

Describe the role of early experience in the development of perceptual capabilities, using both results from experiments on animals such as cats and monkeys and the results from study of humans with visual problems at an early age. What are the behavioral and the physiological consequences of deprived stimulation or abnormal stimulation at an early age?