Week 4 Quiz - Perception and Action

Question 1

High acuity vision is mediated by the __________

Answer 1

Fovea

Question 2

Collectively, the Rods and Cones are known as ____________

Answer 2

Photoreceptors

Question 3

Mammals without cones tend to A) be blind, or B) be nocturnal

Answer 3

B) Be nocturnal

Question 4

Another name for the Primary Visual Cortex is _________

Answer 4

The Striate Cortex

Question 5

How is the retina-genicular-striate system organised?

Answer 5

Retinotopically

Question 6

The manner in which visual information is carried from the retina to the cortex results in information from one side of the visual field being transmitted to the _____________ hemispheres

Answer 6

Opposite

Question 7

Some neurons in V1 show _____________ selectivity

Answer 7

Orientation

Question 8

The Dorsal Stream flows from Primary Visual Cortex to __________ Cortex and then to ________ _________ Cortex

Answer 8

Extrastriate, Posterior Parietal

Question 9

According to Ungerleider and Mishkin’s classic characterization of the dual visual streams, “where” is to “what” as

Answer 9

Dorsal Stream is to Ventral Stream

Question 10

Goodale and Milner have argued that the respective functions of the Dorsal and Ventral Streams are “Vision for _________” vs “Vision for _________”

Answer 10

Action, Perception

Question 11

If a woman had damage to her Dorsal Stream, she would have substantial difficulty making accurate __________ under visual control

Answer 11

Movements

Question 12

The organization of the Cortical Visual Stream is

Answer 12

Parallel and Hierarchical

Question 13

The conscious perception of visual stimuli corresponds to activity patterns in the __________ visual areas

Answer 13

Secondary

Question 14

The conflation of illumination, reflectance and transmission in the retinal image is an example of the _________ optics problem

Answer 14

Inverse

Question 15

The phenomenon that the same stimuli can be perceived as being of different colours is

Answer 15

Colour Contrast

Question 16

The phenomenon that different stimuli can be perceived as being of the same colour

Answer 16

Colour Constancy

Question 17

Stimulus travels from the eye to the thalamus, to the primary visual cortex, to the ___________ visual cortex

Answer 17

Secondary

Question 18

Receptor cells do not become active until the stimulus _________ the minimum intensity level

Answer 18

Exceeds

Question 19

____________ is the adjustment of the sensory system’s sensitivity to the current environment, and to important changes in the environment

Answer 19

Adaptation

Question 20

What type of vision can be described as sensitivity to low levels of ambient light?

Answer 20

Night Vision

Question 21

Birds and insects can see UV light, due to their photoreceptors being more sensitive to __________ wavelengths

Answer 21

Shorter

Question 22

The number and distribution of _____________ determines how well we can discern stimuli

Answer 22

Photoreceptors

Question 23

Rapid eye movements called _______, occur every 3-4 seconds

Answer 23

Saccades

Question 24

The representation of information from the _________, takes up more than 50% of the visual cortex, due to the densely packed photoreceptors

Answer 24

Fovea