Exam 4: Sensation and Perception

Photo receptors which see best at night are the _______.

The monocular distance cue in which objects closer than the point of visual focus seem to move in the direction opposite to the viewer's moving head,and objects beyond the viewing point move in the same direction as the viewer's head is _______.

What do taste and smell have in common?

The gate-control theory of pain suggests that:

The smallest change in stimulation that can be detected 50 percent of the time is called the __________.

Sandra stares for about 30 seconds at a green square.After 30 seconds,she looks at a white sheet of paper.What will she "see"?

The physical stimuli for the sense of hearing are called _______ waves.

When light enters the eye,it first passes through what structure?

Which saying captures the principle emphasized by the Gestalt psychologists?

When Ann went to her doctor,he gave her a hearing test.During the test,the doctor presented tones to Ann through earphones.The tones varied only along the loud-soft dimensions (from very loud to very soft).The doctor asked Ann to raise her hand whenever she heard a sound.The doctor was testing Ann's _____________.

The ability to detect external events through our sensory systems is known as ______________.

As we listen to music on the radio or on our iPods we often are more aware of the arrangement of tones into melodies rather than just focusing on the individual notes.This auditory perception is compatible with the principles established by _____________.

When focusing on a close object that is directly in front of you,eye muscles contract to turn your eyes inward towards the nose.This is called _______________.

Research indicates that people who like to multitask:

The four primary taste sensations are sweet,bitter,sour,and _______.

A spook house in a local carnival offered its potential patrons free admission if they would allow themselves to be blindfolded and then to eat raw worms.Although they were actually fed cold spaghetti,most of the customers believed they were swallowing real worms.What is the MOST plausible explanation for this finding?

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

When Keith had to give a presentation to the entire class,his classmate Daniel decided to wear a large fake mustache to make Keith laugh.To Daniel's disappointment,when Keith gave his presentation,he seemed completely unaffected,despite looking at Daniel several times.Afterward,Keith said that he was so focused on the presentation that he didn't even notice the mustache! This scenario is an example of:

The wavelength of the light to reach your eyes determines what _______ you see.

Light,a central player in our visual perception of the world,is a form of _____________.