5.2

________ is another term for the malleus.

hammer

________-frequency sound waves are perceived as high-pitched sounds, while ________-frequency sound waves are perceived as low-pitched sounds.

high; low

What is a binaural cue?

two-eared cue to localize sound

Which of the following statements best describes trichromatic theory and opponent-process theory?

Both theories are equally accurate, but they apply to different levels of the nervous system.

What does the place theory of pitch perception suggest?

Different portions of the basilar membrane are sensitive to sounds of different frequencies.

What should be changed to make the following sentence true? "The frequency theory of pitch perception asserts that frequency is coded by the activity level of a sensory neuron."

The word "frequency" should be changed to the word "temporal."

Kimya stares at a bright light and then looks away. After she looks away, she perceives a spot. What is this spot?

afterimage

What term describes the continuation of a visual sensation after removal of the stimulus?

afterimage

Akeelah extended her arm in front of her and then extended one of her fingers. She focused on that finger. Next, she closed her left eye without moving her head; then she opened her left eye and closed her right eye without moving her head. She noticed that her finger seemed to shift as she alternated between the two eyes because of the slightly different view each eye had of her finger. What is illustrated by this example?

binocular disparity

Ravon was born deaf, so he is diagnosed with ________ deafness.

congenital

Light waves are transmitted across the ________ and enter the eye through the ________.

cornea; pupil

When light levels are low, the pupil will become ________, to allow more light to enter the eye.

dilated

The ________is also known as the anvil.

incus

At the point of the optic chiasm, information from the right visual field (which comes from both eyes) is sent to the ________ side of the brain, and information from the left visual field is sent to the ________ side of the brain.

left; right

In a normal-sighted individual, the ________ will focus images perfectly on a small indentation in the back of the eye known as the ________.

lens; fovea

Within the visible spectrum, our experience of red is associated with ________.

longer wavelengths

Longer wavelengths will have ________ frequencies, and shorter wavelengths will have ________ frequencies.

lower; higher

Tyrahn's rods do not transform light into nerve impulses as easily and efficiently as they should, so he has difficulty seeing in dim light. This is called ________.

night blindness

Wesley is in a movie theater with no windows—the only light is low illumination from the emergency lights on the floor. Which photoreceptors will be most useful to Wesley as he attempts to leave the theater?

rods

Congenital deafness refers to deafness ________.

since birth