Question 1

In ___,each neuron's activity inhibits the activity of adjacent neurons and is likewise inhibited by their activity.

Accepted Answer

A)  lateral inhibition
B)  interactive inhibition
C)  reciprocal inhibition
D)  bilateral inhibition A

Question 2

One test for color blindness is known as the:

Accepted Answer

A)  Hering test
B)  Goldstein test
C)  Red-Green-Blue test
D)  Ishihara test D

Question 3

For humans,visible light falls within the range of ___ nm.

Accepted Answer

A)  500-570
B)  300-900
C)  400-800
D)  500-1,000 C

Question 4

If you are looking for something moving in your darkened bedroom at night,you are most likely to see it ___,and it will be ___.

Accepted Answer

A)  in the center of your visual field,a colored object
B)  in the center of your visual field,an object in shades of gray
C)  on the edges of your visual field,a colored object
D)  on the edges of your visual field,an object in shades of gray

Question 5

Amacrine cells connect photoreceptors to retinal ganglion cells.

Accepted Answer

A) True 
 B)False

Question 6

To explain what his red-green color blindness was like,Pedro commented that he:

Accepted Answer

A)  Had less visual acuity
B)  Was unable to tell the difference between red and blue
C)  Perceived peanut butter to be the same color as grass
D)  Was very light sensitive

Question 7

When light strikes photoreceptors,which of the following takes place?

Accepted Answer

A)  More transmitter substance is released.
B)  The release of transmitter substance ceases.
C)  There is no change in amount of transmitter substance released.
D)  Ion channels that were closed become open.

Question 8

When you suddenly see a car coming at you from the corner of your eye,you are relying on your:

Accepted Answer

A)  Motion detectors
B)  Magnocellular system
C)  Parvocellular system
D)  Fovea

Question 9

Adjacent retinal receptors activate adjacent cells in the visual cortex,a phenomenon called a:

Accepted Answer

A)  Tonotopic map
B)  Somatosensory map
C)  Retinotopic map
D)  Geniculotopic map

Question 10

The original retinal implant contained ___ electrodes,which helped individuals avoid objects but had very poor resolution;to see the details of a human face,at least ___ electrodes will be required.

Accepted Answer

A)  60,100
B)  20,50
C)  60,1,000
D)  10,10,000

Question 11

According to some researchers,the most viable strategy to remediate blindness may be ___ instead of ___.

Accepted Answer

A)  neural cloning,transplantation
B)  repair with artificial prostheses,biological repair
C)  biological repair,prosthetic implants
D)  rearranging rods from peripheral retina areas into foveal areas,repair with non-biological means

Question 12

Wavelengths of light in the 500-570 nm range would typically correspond with a report of seeing ___.

Accepted Answer

A)  red
B)  blue
C)  yellow
D)  green

Question 13

Every biopsychology student will have to learn that receptive fields have differing sizes as a function of their location in the retina;in the ___ receptive fields are smaller while in the ___ receptive fields are larger.

Accepted Answer

A)  fovea,periphery
B)  periphery,fovea
C)  fovea,macula
D)  macula,fovea

Question 14

The parvocellular and magnocellular systems originate in the:

Accepted Answer

A)  Fovea
B)  Lateral geniculate nucleus
C)  Ganglion cell layer of the retina
D)  Nasal portions of the retina

Question 15

The photopigment utilized by cones is:

Accepted Answer

A)  Iodopsin
B)  Retinene
C)  Amacrine
D)  Rhodopsin

Question 16

Compare and contrast the trichromatic theory and opponent process theory.List anatomical evidence for each and phenomena that each does not account for.

Accepted Answer

The answer of Compare and contrast the trichromatic theory and...

Question 17

Describe some forms of blindness and the treatments being developed to restore sight in these individuals.

Accepted Answer

The answer of Describe some forms of blindness and the...

Question 18

The central region of the retina is called the:

Accepted Answer

A)  Optic disk
B)  Lamella
C)  Fovea
D)  Retinal

Question 19

The primary visual cortex is also known as (the)___.

Accepted Answer

A)  O1
B)  V1
C)  posterior parietal cortex
D)  inferior temporal cortex

Question 20

The photopigment utilized by rods is:

Accepted Answer

A)  Amacrine
B)  GABAergin
C)  Iodopsin
D)  Rhodopsin

Exam 10: Vision and Visual Perception