Question 1

Kamitani and Tong (2005) developed "orientation decoders". When eight orientations were tested, the decoders were able to correctly predict what orientation a person was looking at for _____ of the eight gratings.

Accepted Answer

A)  two 
B)  four? 
C)  six? 
D)  eight?

Question 2

Research has shown that an infant can visually recognize his/her mother's face from _____.

Accepted Answer

A)  the contrast between her eye color and face 
B)  her smile 
C)  the contrast between her hairline and forehead 
D)  her overall head shape

Question 3

If two eyes receive totally different images and the brain can't combine the two images, a condition called _____ results.

Accepted Answer

A)  delayed processing 
B)  persistence of vision? 
C)  binocular rivalry? 
D)  visual masking?

Question 4

In one reversible figure/ground study, Gibson and Peterson (1994) used an image in which one area looks like a woman when upright, but does not resemble anything when turned upside down. Their general finding was that _____.

Accepted Answer

A)  meaningfulness of an image had a large effect on figure-ground segregation 
B)  meaningful images were just as likely to be seen as figure or ground? 
C)  inverting the entire image lead to slower response times? 
D)  meaningfulness only had an effect when they appeared on the left side?

Question 5

"Viewpoint invariance" means that _____.

Accepted Answer

A)  children can only represent one perceptual viewpoint at a time 
B)  computers can invert images to easily perform object recognition 
C)  humans can easily recognize objects when seen from different viewpoints 
D)  monkeys can only recognize other monkey faces from a frontal view

Question 6

A voxel is _____.

Accepted Answer

A)  a small cube-shaped area of the brain about 2 mm on each side 
B)  an electrode used to measure brain activity? 
C)  the basic unit of sensation? 
D)  the retinal area on which an image is projected?

Question 7

Which of the following is a general determinant of figure-ground segregation

Accepted Answer

A)  The right side is more likely to be perceived as a figure than the left. 
B)  Small stimuli are more likely to be perceived as ground than figure. 
C)  Near the shared borders, figure is seen as unformed material. 
D)  A lower region is more likely to be perceived as figure than an upper region.

Question 8

Describe the how Bayesian inference can be used to understand perception.

Accepted Answer

The answer of  Describe the how Bayesian inference can be...

Question 9

Based on Fei-Fei et al. (2007), smaller objects within a scene are typically recognized within _____.

Accepted Answer

A)  50 milliseconds 
B)  150 milliseconds? 
C)  500 milliseconds 
D)  1000 milliseconds

Question 10

Define semantic regularities and describe their effect on perceptual organization.

Accepted Answer

The answer of  Define semantic regularities and describe their effect...

Exam 5: Perceiving Objects and Scenes