Final Exam

Question 1

The perception of motion is important:

Answer 1

in enhancing perception of form and to the observers safety

Question 2

_______ is the illusion of motion of a stationary object that occurs after prolonged exposure to a movie object

Answer 2

motion aftereffect

Question 3

The problem faced by the motion detection system of knowing which feature in time frame 2 corresponds to a particular motion in time frame 1 is known as the

Answer 3

correspondence problem

Question 4

When all that can be seen of people moving in the dark is lights attatched to their joints, which of the following statements is NOT true?

Answer 4

Complex deductive thought processes are required in order to interpret the motion

Question 5

The perception of biological motion from just a few moving points of light is an example of

Answer 5

structure from motion

Question 6

People who develop Alzheimers Disease generally have trouble using which of the following cues?

Answer 6

optic flow

Question 7

A key brain area in the processing of visual motion is:

Answer 7

the MT/V5 region

Question 8

If you observe motion in one particular direction for several minutes you will be:

Answer 8

less sensitive to movement in the same direction

Question 9

The perception of movement in certain lighted advertising signs is an example of:

Answer 9

apparent/Phi motion

Question 10

Vestibular nystagmus eye movements are characterized by

Answer 10

rapid “flicking” of the eyes back and forth

Question 11

The ____ is an important brain structure in.. movements

Answer 11

superior colliculus

Question 12

The brain solves the aperture problem in motion perception by:

Answer 12

1) looking at signals from a large population of motion-selective neurons in parallel
2) using neural convergence to create large receptive fields for neurons involved with higher order motion processing

Question 13

The brain area MST is specialized for the perception of _______ and receives most of its info from area _____

Answer 13

rotational/expansion motion; MT

Question 14

Attention to a specific portion of the visual field is called:

Answer 14

spatial attention

Question 15

an inability to notice the appearance of, or changes to, unattended objects is called:

Answer 15

change blindness

Question 16

three ways that the responses of an individual neuron could be changed by attention are enhancement, sharper tuning, AND

Answer 16

altered tuning

Question 17

All major theories of selective attention assume attention is

Answer 17

limited in capacity

Question 18

The “early selection” (or filter) theory of attention states that:

Answer 18

• attention is limited in capacity
• selection occurs based on the physical properties of the stimulus
• irrelevant info is completely filtered prior to perceptual analysis

Question 19

During response enhancement, a neuron responding to an attended stimulus might give a ________ response

Answer 19

bigger

Question 20

What areas of the brain is NOT involved with executive (top-down) control of attention?

Answer 20

medial occipital lobe

Question 21

the “line cancellation test” is used to asses

Answer 21

contralateral neglect

Question 22

patients with ______ damage have problems directing attention to the left and perceiving objects and space (on the let) in all sensory modalities

Answer 22

right parietal lobe

Question 23

SOA refers to

Answer 23

stimulus onset asynchrony

Question 24

when measuring reaction time, we measure the

Answer 24

time form the onset of a stimulus to a response

Question 25

in visual search studies, a _______ is any stimulus other than the target.

Answer 25

distractor

Question 26

In a probe detection experiment, an invalid cue is

Answer 26

a cue that incorrectly signals the location of the target

Question 27

the movements of a stereo speaker producing a loud sound would have a

Answer 27

high amplitude

Question 28

in a _______ task, the target is defined by the presence of more than one feature, or attribute, such as a salient color, orientation, or shape

Answer 28

conjunction search

Question 29

the number of cycles a sound wave completes in one second is termed:

Answer 29

frequency

Question 30

in the middle ear, sound vibrations are transferred from the ______ to the ________

Answer 30

ossicles; oval window

Question 31

What is NOT found in the organ of Corti

Answer 31

tympanic canal