Exam 3: Sensation and Perception

In 1972, an eleven-year-old member of a tribe that inhabits the Fiji islands walked on white-hot coals. He seemed to experience no pain. The gate-control theory of pain would explain this by maintaining that ________.

Pitch is ________.

The idea that fibers in the sensory nerves can prevent impulses from reaching the brain -- and thus prevent the sensation of pain -- is part of the ________ theory of pain.

The cochlea is divided lengthwise by the ________.

Which of the following is not true of subliminal perception?

When we look at a white house, we can recognize it as a white house by day or night and from any angle. This is due to perceptual ________.

The richness or vividness of a hue is known as its ________.

In light adaptation, the rods and cones become more sensitive to light.

Which of the following statements is not true?

Subliminal "memory improvement" tapes can really improve your memory.

In a recent study of the effects of subliminal perception, when volunteers were given a tape labeled "Improve Memory" that really contained a subliminal message intended to boost self-esteem, ________ of them reported improvements in memory.

Regarding the way rods and cones operate, ________.

The process of creating meaningful patterns from raw sensory information is ________.

There are two kinds of receptors found in the retina. They are ________.

________ theory holds that the interactions of biological, psychological and cultural factors influence the intensity and duration of pain.

When we look at objects fairly close to us, our eyes tend to turn slightly inward toward each other. This process is called ________.

Explain what pheromones are. Describe what role pheromones play in animal and human behavior.

Elrod is sitting at home trying to read maps for his upcoming vacation. He has difficulty making out the details of the map in the light of the 60-watt ceiling lamp. To improve his ability to see the fine details of the map, he should ________.

All the basic hues humans can see can be produced by mixing ________ primary colors.

The idea that the eye contains three pairs of color receptors (red-green, yellow-blue, and black-white) is known as the ________ theory.