Chapter 5 - questions

__ are chemical that release energy when struck by light.
a. Phototransmitters

b. Photosins

c. Photopigments

d. Photoions

__ are chemical that release energy when struck by light.
a. Phototransmitters

b. Photosins

c. Photopigments

d. Photoions

c. Photopigments

According to the retinex theory, we perceive color by:

a. the relative activity of three kinds of cones.

b. contrasting the activity in one area of the visual field with that of the others.

c. a red vs. green system and a yellow vs. blue system.

d. detecting the velocity of action potentials from the eye.

b. contrasting the activity in one area of the visual field with that of the others

Where does the optic nerve send most of its information?

a. directly to the cerebral cortex

b. to the lateral geniculate

c. to the superior colliculus

d. directly to the occipital lobe

b. to the lateral geniculate

Branches of the optic nerve go directly to what areas of the brain?

c. Lateral geniculate and superior colliculus

Magnocellular cells are to __ as parvocellular cells are to __

a. wake-sleep cycles; movement

b. movement; color

c. detail; color

d. color; wake-sleep cycles

b. Movement; Color

Most neurons in the inferior temporal cortex that respond to a particular shape will be LEAST likely to respond to a:

a. contrast reversal.

b. figure-ground reversal.

c. mirror image.

d. photograph of the same shape.

b. figure-ground reversal

Damage to the fusiform gyrus of the inferior temporal cortex results in:

a. aphasia.

b. prosopagnosia.

c. lateral inhibition.

d. motion blindness.

b. Prosopagnosia

Cells in V5 and the medial superior temporal cortex selectively respond to which characteristics of visual stimuli?

a. color

b. movement

c. particular shapes

d. brightness

d. brightness or b. movement

Humans newborns come into the world predisposed to pay more attention to __ than any other stationary displays.

a. toys

b. balloons

c. faces

d. dogs

c. Faces

Infants with cataracts need to have surgical repair:

a. as early as possible.

b. before they begin school.

c. if it does not fix itself

d. when they are old enough to recover from surgery.

a. As early as possible