Exam 4: Sensation and Perception

Explain how sound travels from the pinna to the auditory nerve and to the brain, naming each part of the ear and its function along the way.

Which theory of color vision explains that each of the cones in the retina contains a different type of iodopsin that breaks down when struck by light, triggers action potentials, and sends neural messages to the brain?

Sensory adaptation refers to a decrease in sensory response that accompanies

Good advice to help a person to minimize motion sickness would be to move one's head as little as possible and fixate on a distant immobile object.

The loudness of a sound corresponds to which aspect of a sound wave?

Grandpa teased his grandchildren by saying that they have little hammers, anvils, and stirrups in their heads. They hollered, "No, you're wrong, PaPa." However, their grandpa was right, since these are the common names for the

Fans of opposing sports teams often act as if they have seen completely different games. This probably results from the fans of each team focusing intently on their own players and not the other team, which illustrates

Which aspect of the activated receptor tells the brain how strong an odor is?

The spread of electromagnetic energies to which the eyes respond is called the

As the pitch rises, nerve impulses of this same pitch will flow into the auditory nerve, according to the __________ theory.

The ears of bats can transduce and hear sound waves that humans cannot. This allows them to fly in complete darkness by using

To help us make sense out of sensations, our brain creates our perceptions by using preexisting knowledge, such as

The type of sensation you experience depends on which area of the brain is activated. This is known as

The trichromatic theory of color vision applies to the retina, where three different types of cone have been found with each cone containing a different type of

Figure-ground organization is probably inborn, because it is the first perceptual ability to appear after cataract patients regain their sight.

The underlying mechanism for perceptual expectancies is

A drawing, such as the "three-pronged widget," that cannot be organized into a stable, consistent, or meaningful perception is considered

Describe the "seat-of-the-pants phenomenon," "the cocktail party effect," and inattentional blindness, and explain how they are all related to the "bottleneck" of selective attention.

The stapes is attached to a membrane on the cochlea called the __________.

The gate control theory was proposed by