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04
Sensation and Perception
0
1
__________ is the process through which we detect physical energy from the environment and code that energy as neural signals.
Sensation
Perception
Detection
Transduction
0
2
__________ refers to the way we select, organize, and interpret sensory information.
Sensation
Gustation
Perception
Olfaction
0
3
“I’m ready to go,” Olivia told her husband! “I wore a new perfume tonight. I hope you like it!” Olivia’s husband nodded dutifully and told her how nice it smelled, but in truth he couldn’t smell a thing. According to the principles of psychophysics, Olivia was not wearing enough perfume to exceed her husband’s __________.
Weberian level
just noticeable difference
absolute threshold
difference threshold
0
4
The __________ threshold is the minimum difference between two stimuli needed to detect the difference 50% of the time.
Weber
sensory
absolute
difference
0
5
Sensory __________ carry information as a coded signal from your sensory organs to your brain.
receptor cells
neurons
ganglion cells
sulci
0
6
A good friend of yours tells you that he has a new job at a bakery. “Oh man, you are so lucky,” you tell him. “You get to smell that fresh bread and the donuts all day long. I’d LOVE to work there.” Your buddy shakes his head and says, “You know, that’s what I thought, but after I’m there for a few minutes I don’t even smell the baked goods that much anymore.” Because you’ve studied psychology, you know that his loss of responsiveness to the great scents is explained by sensory __________.
transformation
minimization
adaptation
declination
0
7
Because you are bored one afternoon, you decide to try a little experiment. You open your eye very wide, extend your thumb, and then poke yourself in the eye. Aside from being very foolish and in a lot of pain, you may learn something about your eye when you engage in this masochistic behavior. The very first thing your thumb would touch as it made contact with your eye would be the __________.
retina
cornea
lens
iris
0
8
The ability of your lens to change its thickness and curvature to adapt to images both near and far is called visual __________.
adaptation
accommodation
cataraction
transduction
0
9
Color __________ is the tendency to perceive familiar objects as retaining their color despite changes in sensory information.
saturation
balance
maintenance
constancy
1
0
Which of the following structures is not a part of the outer ear?
The pinna
The ear canal
The cochlea
The eardrum
1
1
It is a commonly known fact that dogs have a much keener sense of smell than do human beings. What is not commonly known, however, is why. Because you have studied psychophysics, you know the answer to this question. What is it?
Dogs have a better sense of smell because it compensates for the fact that their sense of taste is so poorly developed.
Dogs have a better sense of smell because they have far more scent receptors than do human beings.
Dogs have a better sense of smell because their noses are proportionally larger than the noses of human beings.
Dogs have a better sense of smell because their olfactory processing centers are larger than the same part of the brain in human beings.
1
2
Compared to our eyesight, the olfactory system of human beings is rather poorly developed. Despite this comparative limitation, human beings are still able to distinguish well over _________ different odors.
10 thousand
100 thousand
1 million
10 million
1
3
The _________ effect is a phenomenon in which selective attention allows a person to concentrate on one voice and ignore many others.
change blindness
change deafness
choice blindness
cocktail party
1
4
According to recent research conducted at Carnegie Mellon University in Pittsburgh, what happens to the brain when we attempt to multitask?
Blood flow to the brain increases
Different parts of the brain become more efficient
Brain activity doubles
Brain activity decreases
1
5
_________ processing refers to our use of beliefs, experiences, expectations, or other concepts to shape our view of the world.
Illusory
Top-down
Perceptual
Bottom-up
1
6
The Gestalt principle called the law of pragnanz suggests which of the following about our perceptual tendencies?
It is only possible to distinguish between a figure and a ground if they are of different colors.
We are influenced mostly by the surroundings of a particular sensory stimulus.
We tend to look past simple explanations and seek out complex forms.
We group stimuli into the simplest possible form.
1
7
If you are handed a coffee cup and instantly see it as a combination of a circle (the base), a cylinder (the sides), and a crescent (the handle), then you are demonstrating the __________ theory of perception.
recognition-by-components
top-down processing
geon-receptive
grapheme
1
8
In a very unusual study of human visual perception, a Japanese psychologists asked students to wear glasses that reversed their visual fields. After several days, their perception adjusted and they were able to carry out complex physical skills that required coordination. After the glasses were removed, they again adjusted back to normal vision. This experiment demonstrated the concept of __________.
perceptual constancy
perceptual adaptation
brain plasticity
synesthesia
1
9
In the movie DareDevil, the main character suffered an injury to his eyes, and for the rest of his life was able to “see sounds.” His interpretation of one sort of sensory input as another type of perception demonstrates __________.
pragnanz perception
sensory adjustment
perceptual adaptation
synesthesia
2
0
Dominic goes to a laboratory to be a subject in a psychological test. In this test, he watches as the words of certain colors are flashed on a computer screen. Sometimes the word is flashed in its own color (e.g., the word “blue” is flashed in a blue font) and sometimes the word is flashed in a different color (e.g., the word “yellow” appears in a green font). This type of test, which can be used to test synesthesia, is called a __________ test.
Stroop
Gestalt
Pragnanz
Grapheme
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