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Psych ch. 6
Terms in this set (32)
the process of detecting and encoding stimulus energies by the sensory receptors and the nervous system is called the what?
recognizing an odor as the familiar smell of apple blossoms is an example of what?
the conversion of a fresh coffee aroma into neural impulses by sensory receptor cells best illustrates what?
during a hearing test, many sounds were presented at such a low level of intensity that best illustrates what?
just noticeable difference
the minimum difference between two stimuli required for detection 50 percent of the time is called the what?
the principle that two stimuli must differ by a constant minimum proportion for their difference to be perceived is known as what?
refers to diminished sensitivity to an unchanging stimulus
after learning that her new college roommate had experienced several depressive episodes during her high school years, Erin incorrectly perceived her roommate's laughter as artificial and phony. This best illustrates the impact of what?
the ability to simultaneously process the pitch, loudness, melody, and meaning of a song best illustrates what?
the perception of an object as distinct from its surroundings is called what?
refers to the somewhat different images our eyes receive of the same object.
to experience this, we should view things in relation to surrounding objects.
consists of a fluid filled tube in the inner ear.
pressure, pain, warmth, and cold
the sense of touch includes the four basic sensations of :
the classic gate- control theory suggests that pain is experienced when small nerve- fibers activate and open a neural gate in the what?
gate- control theory
according to this, a back massage would most likely reduce your physical aches and pains by causing the activation of large nerve fibers in your spinal chord.
in our skin that detect hurtful temperatures, pressure, or chemicals are called nociceptors.
every week or two
receptor cells for our sense of tastes reproduce themselves how often?
would play a role in quickly alerting you to a gas leak in your home.
the semicircular canals are most directly relevant to the what?
is the process by which sensory input is organized and interpreted.
bottom- up processing involves analysis that begins with what?
a perceptual set
refers to a mental predisposition that influences what we perceive.
after listening to your high- volume car stereo for 15 minutes, you fail to realize how loudly the music is blasting. This best illustrates what?
the signal detection theory
predicts when we will first notice a faint stimulus presented amid competing background stimulation.
Young- Helmholtz Theory
evidence that some cones are especially sensitive to red light, other to green light, and still others to blue light is most directly supportive of the what?
perceiving objects as unchanging even as illumination and retinal images change is known as what?
Caroline wonders whether her 10- month old daughter can perceive depth well enough to avoid crawling over the edge of a tall platform in her church auditorium. Researchers could safely assess he daughter's perceptual ability using a what?
phantom limb sensation
after losing his left hand in an accident, Jack continued to experience pain in his nonexistent hand. His experience illustrates what?
are more light-sensitive and less color-sensitive than are cones.
the visual cliff is a laboratory device for testing what in infants?
the smell of food as we eat it influences our perception of the food's taste. This illustrates what?
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