Question 1

Emma places her index finger on the far outside edge of one of her eyelids. Then, through her eyelid, she applies gentle pressure to her eye. As she applies pressure, she sees the environment tilt in correspondence with her eye's movement. (A) Explain this change of perception as the eye moves. (B) Does this demonstration support the corollary discharge signal as the stabilizing mechanism during eye movement?

Accepted Answer

The answer of Emma places her index finger on the...

Question 2

In an apparent motion quartet, the display is perceived as spots moving rapidly:

Accepted Answer

A)  in a circular pattern and later in a triangular manner. 
B)  in a triangular manner and later in a circular pattern. 
C)  in a diagonal or a circular pattern. 
D)  back and forth horizontally or up and down vertically.

Question 3

In a point-light walker display, the recognizability of point-light displays depends MOST crucially on the:

Accepted Answer

A)  setting where a person's movements are being studied. 
B)  activity performed by the person being studied. 
C)  coordinated timing of the point motions. 
D)  brightness of the small lights.

Question 4

Nick stares at a spiral shaped object that is spiraling outward. The movement stops after some time and he stares at the still image. As a result of motion aftereffect, the object would appear to be:

Accepted Answer

A)  spiraling inward. 
B)  spiraling outward. 
C)  moving sideways. 
D)  moving vertically.

Question 5

In the context of figure-ground organization, an abrupt discontinuity in the _____ of a stimulus is a powerful cue to the boundary between two surfaces.

Accepted Answer

A)  temperature 
B)  color 
C)  frequency 
D)  continuum

Question 6

What is apparent motion? How does the perceptual grouping principle of proximity affect the perception of an apparent motion quartet?

Accepted Answer

The answer of What is apparent motion? How does the...

Question 7

_____ occurs when a single neuron in area V1 is unable to determine the actual direction of motion of a stimulus.

Accepted Answer

A)  Visually induced motion sickness 
B)  Apparent motion 
C)  Motion aftereffect 
D)  The aperture problem

Question 8

Sommer and Wurtz (2006) conducted an experiment where they recorded from single neurons in the frontal eye field (FEF) of monkeys' prefrontal cortex. Their findings offered support for the importance of the corollary discharge signal (CDS) since a flash of light on the _____ led to a strong response _____ a saccade.

Accepted Answer

A)  receptive field (RF); before 
B)  future field (FF); after 
C)  future field (FF); just before 
D)  receptive field (RF); just after

Question 9

In the context of MAE, the concept of motion contrast is similar to:

Accepted Answer

A)  trichromatic mechanisms for color vision. 
B)  opponent color circuits. 
C)  the mechanisms used to explain depth perception. 
D)  Gestalt principles of object perception.

Question 10

A point-light walker display would NOT identify:

Accepted Answer

A)  a runner, a dancer, or a walking dog. 
B)  the elasticity of a surface. 
C)  the hair color of a person being studied. 
D)  the effort exerted to lift a weight by a person being studied.

Question 11

Newsome et al. (1989) used motion coherence to study monkeys' perception of motion. It was found that, with a coherence level of _____ percent, the monkeys' judgments of the direction of motion were correct _____ percent of the time.

Accepted Answer

A)  12.8; less than 20 
B)  12.8; more than 95 
C)  3.2; more than 95 
D)  12.8; about 50

Question 12

_____ is referred to as the waterfall illusion.

Accepted Answer

A)  Motion perception 
B)  Motion aftereffect 
C)  The Ponzo illusion 
D)  Motion coherence

Question 13

How is visually induced motion sickness different from typical motion sickness?

Accepted Answer

The answer of How is visually induced motion sickness different...

Question 14

For safety reasons, construction sites are usually surrounded by high wooden boards. Onlookers may poke a small hole through a board and have a glimpse of the ongoing construction. How does this lead to the aperture problem mentioned in the text?

Accepted Answer

The answer of For safety reasons, construction sites are usually...

Question 15

Movshon et al. (1985) studied the combination-of-motions effect using two superimposed sets of moving stripes. Their study found that:

Accepted Answer

A)  MT neurons cannot combine the responses of V1 neurons and were quite ineffective. 
B)  MT neurons can combine the responses of V1 neurons and/or component neurons in MT itself. 
C)  V1 neurons responded only to the motion of many different component sets of stripes. 
D)  MT neurons respond only to the motion of individual component sets of stripes.

Question 16

In the context of neural basis of motion perception in area V1 and area MT, _____ tuning is determined by the length of a delay in the transmission of signals from Neuron 1 or Neuron 2.

Accepted Answer

A)  direction 
B)  speed 
C)  linear 
D)  curvilinear

Question 17

An individual _____ would NOT experience visually induced motion sickness.

Accepted Answer

A)  wearing a VR helmet 
B)  watching an IMAX movie 
C)  in the back seat of a moving car 
D)  playing a video game

Question 18

In the context of visually induced motion sickness, a virtual nose would _____ motion sickness.

Accepted Answer

A)  have no effect on 
B)  increase 
C)  inhibit 
D)  decrease

Question 19

MT neurons respond to:

Accepted Answer

A)  temperature. 
B)  frequency. 
C)  amplitude. 
D)  shape.

Question 20

In the context of a simple neural circuit that responds to motion, direction and speed tuning of neurons:

Accepted Answer

A)  results in inhibition of firing when a stimulus with a direction of motion near the preferred one is used. 
B)  produce firing in a discontinuous manner. 
C)  are all-or-none events. 
D)  have a gradual falloff from the preferred direction or speed to nearby directions or speeds.

Exam 7: Perceiving Motion