Exam 3: Sensation and Perception

The cochlea is divided lengthwise by the ________.

Peter goes from bright sunlight into a dimly lit theater. At first, he can see little or nothing as he looks for a seat. Over a ten-minute period he is gradually able to see things directly in front of him more clearly. His ability to see things off to the side steadily improves for another twenty minutes. This process is called ________.

Name the specific structures involved in our sense of smell and describe their functioning. Also, describe the role smell plays in our day-to-day living.

Define pitch, amplitude, decibels, overtones, and timbre.

It is difficult to distinguish between colors at night because ________.

Explain what subliminal perception is. Describe research findings about the effectiveness of subliminal messages and their effect on people's behavior.

Which of the following events would be most likely to produce a temporary upset of the vestibular senses?

A chemical that communicates information to other organisms through the sense of smell is called ________.

Compare and contrast place theory and frequency theory. Include in your discussion the role played by the volley principle.

Taste buds are contained in the tongue's ________.

The fovea is made up of ________.

Compare and contrast real movement and apparent movement. Briefly explain the role of autokinetic illusion, stroboscopic movement, the phi phenomenon, and the illusion of induced movement in our perception of movement.

Light first enters the eye through the ________.

When you stop at a railroad crossing at night, instead of correctly perceiving two red lights that flash alternately you may perceive a single red light that moves back and forth from left to right. This is an example of ________.

Hertz is a unit of measurement of ________.

Combining red, green, and blue lights in equal intensities produces ________.

List and describe the effects of various observer characteristics that affect perception. Present at least one example of each characteristic.

How is perception affected by perceptual constancies? Describe the effects of size, shape, brightness, and color constancy on perception. What role does memory play in such constancies?

The minimum intensity of physical stimulation required to produce any sensation at all in a person is the ________ threshold.

Our sense of smell is activated by ________.