Chapter 5 sensation and perception Flashcards
Juan and Joseph are opera singers. Juan is a baritone; Joseph has a higher-pitched tenor voice. The sound waves from Juan’s voice are lower in ________ than those from Joseph’s voice, and they are lower in
frequency; hertz
Which part of the auditory system is most commonly damaged in people who receive cochlear implants?
his cells
The sudden, sharp pain you feel when you hit your finger with a hammer travels across what type of axon?
myelinated
Suppose you are participating in an experiment to see if people can detect very subtle emotional expressions on other people’s faces. However, sometimes the image the experimenter shows you is blurry, and it is hard to distinguish whether or not you see an emotional expression. You decide that you will respond by indicating you have detected an emotion in a person’s face, even when you are unsure. According to signal detection theory, which of the following two outcomes are you most likely to have
hits and false alarms
This domain of perception states that rather than perceiving “a car” as a group of distinct entities, such as “metal, tires, glass, door handles, hubcaps, and fenders,” we perceive the car as a whole unit.
Gestalt
Based on the textbook’s discussion of cultural influences on taste, which of the following statements is most accurate?
Culture influences taste preferences.
The auditory neurons extending from the ________ reach out with their axons to the primary auditory cortex (A1) in the ________.
thalamus; temporal lobe
Red and green appear to be opposite colors because of the activity of ganglion cells that are excited by ________ cones and inhibited by ________ cones.
L; M
Prashanth is participating in a psychology experiment in which he is asked to gradually shrink the image of a square on his computer screen until he can see that it is smaller than a second square on the screen. Prashanth is trying to create a ________ difference in order to allow measurement of a(n) ________ threshold.
just noticeable; difference
Kwamie has broken his wrist. His friend Sam has taken him to the hospital emergency room. While they are waiting, Sam starts an argument with Kwamie about the presidential election, and Kwamie finds that while they are arguing, he feels very little pain. This result has most likely occurred because
focusing on the argument closed the pain gate.
Days after breaking his nose in a football game, Ben still perceives a dull pain in his nose. The dull ache travels along ________ pain fibers, which are _
slow; unmyelinated
Melody is looking up a phone number in a phone book with tiny print. She will most likely be able to read the number if she looks at the phone book with her ________ because it has the largest number of
fovea; cones
The primary auditory cortex is located in which brain lobe?
temporal
M.P. has brain damage in a region that is critical for motion perception. As a result, M.P. perceives moving objects as
a series of snapshots.
Colleen and LaVonne are playing darts. Colleen throws her dart into the center of the target, and LaVonne throws his dart into the outer ring. In an analogy to vision, Colleen would have been likely to hit a ________, and LaVonne would have been likely to hit a ________
cone; rod
