Exam 6: Sensation and Perception

White noise contains only the lowest frequencies of the audible sound spectrum.

In a signal-detection task, the participant says that he detects a signal and a signal was present. This is called a:

In signal-detection tasks, naysayers will have more misses than yea-sayers.

If a person was born with eyes that had cones, but no rods, he or she would have:

During a break from his job as a waiter, Barnardo begins to read Hamlet and is so engrossed in the play that he fails to notice the clattering of dishes all around him. This is an example of:

After September 11, 2001, many individuals saw a photograph that seemed to show a sinister face in the smoke coming from the World Trade Center. Now that you have read Chapter 6, how might you explain this phenomenon?

Interposition is one of the monocular cues to depth.

In signal-detection tasks, naysayers will have more false alarms than yea-sayers.

Saturation is related to the ________ of light.

Use your imagination to create an example of a real-world application of signal-detection theory.

When measuring absolute threshold, reliable detection is said to occur when a person can detect a signal 99% of the time.

Research on our sense of smell reveals four basic scents: flowery, spicy, rotten, and musky.

As Shane stands between the railroad tracks, the rails appear to converge in the distance. This cue to inferring depth and distance is called:

Eye movements cause the location of an object's image on the back of the eye to keep changing. But in the laboratory, researchers can stabilize the image of a simple pattern at a particular point at the back of the person's eye. What happens when the visual receptors are given this chance to "fatigue"?

Kevin watches as his wife, Denise, walks toward the house. Even though the retinal image of Denise grows larger as Denise approaches, she does not appear to be growing larger as she moves closer and closer to Kevin. This illustrates:

Longer light waves tend to be seen as orange and red.

When Miles and Mandi leave the bright lobby and enter the movie theatre, they cannot tell where the empty seats are. Explain why this occurs and describe the process through which they will gradually be able to see.

After playing tennis, Briana hurries home because her mother always bakes Briana's favourite scones on Saturday afternoons. As Briana opens the front door, she notices the powerful odour of a gas leak, but her mother says, "I don't smell anything." It is likely that Briana's mother has:

Of the smells that humans detect:

As you take this test, it is unlikely that you are constantly aware that your legs are making contact with the legs of the chair. This is called: