Weekly Quiz 12/04

Which of the following is true regarding visual information processing?

• Feature detectors in the retina process information before rods and cones.

• Rods and cones receive neural signals from ganglion cells.

• Bipolar cells relay information to ganglion cells that form the optic nerve.

• Feature detectors process information before bipolar cells.

• Rods transduce wavelength and cones transduce light intensity.

If Carla stares at a red spot for one minute and then shifts her gaze to a white piece of paper, she is likely to experience an afterimage that is

• green

• red

• blue

• violet

• black

People who are color blind most likely have deficiencies in their

• rods

• cones

• lens

• optic nerve

• occipital lobe

The area labeled "A" contains the

• auditory nerves

• bones of the middle ear

• cochlea

• semi-circular canals

Based on the structure of the ear, what part of the ear do will sound waves contact first after moving through the auditory canal?

• the cochlea

• the auditory nerve

• the anvil

• the stirrup

• the eardrum

Feature detectors are neurons that are turned on or off by specific features of visual stimuli like edges and movement. Where in the visual system are these feature detectors located?

• occipital cortex

• retina

• optic chiasm

• lens

• cornea

In the figure, what letter corresponds to the light-sensitive surface of the eye that contains photoreceptors?

• A

• B

• C

• D

• E

Negative afterimages are explained by

• the trichromatic theory

• color detection by rods

• the opponent-process theory

• a lack of adaptation

• dichromatic color perception

The perceived pitch of a tone is largely determined by its

• loudness

• timbre

• amplitude

• complexity

• frequency

The coiled tube in the inner ear that contains the auditory receptors is called the

• semicircular canal

• ossicle

• pinna

• cochlea

• oval window