Exam 4: Sensation and Perception.

Which theory of olfaction explains that different-shaped "holes," or "pockets," exist on the surface of olfactory receptors with chemicals producing odors when part of a molecule matches a hole of the same shape?

Many of J.B.Rhine's ESP experiments made use of a deck of 25 cards, each bearing one of five symbols.These cards are known as __________ cards.

A novice chef discovers how to tell the difference between dried basil, oregano, and tarragon by focusing on a specific aspect of each herb.This illustrates

Describe five of the seven ways that one's perceptual accuracy can be enhanced.

Melzack believes that the pain relieving effects of acupuncture are explained by the __________ theory.

The photoreceptors that number five million in each eye and work best in bright light are the __________.

Chua, Boland, and Nisbett presented American and Chinese participants with pictures of a figure, such as a tiger, placed on a ground, such as a jungle, and monitored their eye-movement patterns.The Americans tended to focus their eye movements

In ESP tests using Zener cards, pure guessing in these tests would produce an average score of five"hits" out of 25 cards.

According to psychologist Barbara Frederickson, negative emotions generally narrow our perceptual focus, increasing the likelihood of

The sensory receptors of your eyes are able to convert light energy into neural energy, which can then be utilized by the brain.Thus, the sensory receptors in your eyes act as

Visual problems such as nearsightedness, farsightedness, and astigmatism are the result of

Patterns that break up figure-ground organization are known as

Regarding phantom limb sensations, which of the following statements is FALSE?

Complete color blindness results in a perception of the world only in black and white and is caused by

Which of the following can improve hearing for those with a sensorineural loss by bypassing the hair cells and directly stimulating the auditory nerve?

The lock-and-key system is used to explain

Your eyes transduce only a tiny fraction of the entire range of electromagnetic energies, which we call the

When you are in a group of people, surrounded by voices, you can choose to focus on the voice of the person you are facing or even choose to eavesdrop on conversations around the room.This is known as

Damage to the fovea in each eye could be expected to impair one's

Merkel's disks, Meissner's corpuscles, and Pacinian corpuscles all sense