Deck 5: Sensation and Perception

Question 1

You are walking home at night from the library when you suddenly detect something scurry beside you.Which type of ganglion cells would be responsible for processing this kind of input?

A)Bipolar
B)Amacrine
C)Parasol
D)Midget

Answer 1

C

Question 2

Simple, complex, and hyper-complex (or end-stopped) cells have receptive fields that are responsive to bars of light oriented in particular ways.Where are they found?

A)Lateral geniculate nucleus
B)Superior colliculus
C)Striate cortex
D)Medial geniculate nucleus

Answer 2

C

Question 3

Blindsight is caused by extensive damage to which part of the brain?

A)Striate cortex
B)Superior colliculus
C)Medial geniculate nucleus
D)Lateral geniculate nucleus

Answer 3

A

Question 4

A loud and sudden noise automatically grabs your attention and you reflexively look toward its location.Which area would be most strongly activated by this kind of orienting?

A)Frontal eye fields
B)Parvocellular pathway
C)Dorsal stream
D)Superior colliculus

Question 5

Which of the following statements is true about the visual system?

A)The right lateral geniculate nucleus receives information from only the left eye
B)Magnocellular layers are important for detecting color
C)Each rod connects to one ganglion cell
D)Information from each nasal retina projects to the contralateral lateral geniculate nucleus

Question 6

Where are rods and cones located?

A)Cones are distributed in the periphery of the retina, whereas rods are distributed in the center or fovea.
B)Rods and cones are distributed in the periphery of the retina.
C)Rods and cones are distributed in the fovea of the retina.
D)Rods are distributed in the periphery of the retina, whereas cones are distributed in the center or fovea.

Question 7

The tectopulvinar pathway extends from the retina to which part of the brain?

A)Medial geniculate
B)Superior colliculus
C)Lateral geniculate nucleus
D)Superior olivary nucleus

Question 8

Which step of the auditory pathway comes after the inferior colliculus?

A)Auditory cortex
B)Superior olive
C)Medial geniculate nucleus
D)Cochlear nucleus

Question 9

What does the delay-line model explain about sound processing?

A)Pitch
B)Location
C)Intensity
D)Frequency

Question 10

Which of the functions below is enabled by the geniculostriate pathway?

A)Perception of color and detail
B)Coarse pattern
C)Rapid motion
D)Reflexive orientation to important visual information

Question 11

If someone had damage to area V4, what condition would they most likely experience?

A)Blindsight
B)Achromatopsia
C)Blind spot
D)Binocular disparity

Question 12

In the center-surround receptive fields of simple cells in V1, a cell will fire maximally for bars of light that:

A)Appear only in the center with a specific orientation
B)Appear in both the center and the surrounding area
C)Appear anywhere in receptive field with a specific length
D)Appear only in the surrounding area

Question 13

The auditory and visual systems share many parallels.The following are commonalities except:

A)Both eyes and ears are contralaterally organized in the brain
B)They are spatially (for vision) and tonally (for audition) organized in their neural representations
C)They involve nuclei in the thalamus
D)They both have ascending and descending pathways

Question 14

Which statement about photoreceptors is correct?

A)Rods and cones both function optimally in broad daylight.
B)Rods are sensitive to very small amounts of light, cones function in broad daylight.
C)Cones are sensitive to very small amounts of light, rods function in broad daylight.
D)Rods and cones are both sensitive to very small amounts of light.

Question 15

How many main layers make up the lateral geniculate nucleus?

A)5
B)9
C)6
D)8

Question 16

Which statement about ganglion cells is correct?

A)M and P cells are both responsive to coarse patterns and detect rapid motion.
B)M cells preserve color information and P cells are responsive to coarse patterns and detect rapid motion.
C)M and P cells both preserve color information.
D)P cells preserve color information and M cells are responsive to coarse patterns and detect rapid motion.

Question 17

What are center-surround receptive fields useful for?

A)Enhancing contrast
B)Color constancy
C)Motion detection
D)Retinotopic mapping

Question 18

The auditory pathway begins at the cochlea and extends to the cochlear nucleus.In what part of the brain is this located?

A)Auditory cortex
B)Brainstem
C)Thalamus
D)Forebrain

Question 19

Where are auditory receptor hair cells located?

A)Organ of Corti
B)Auditory nerve
C)Round window
D)Tympanic membrane

Question 20

Why is binocular disparity important?

A)It helps to determine depth.
B)It helps to distinguish colours.
C)It helps to determine fine detail.
D)It helps to distinguish movement.