The Eyes Have It
Vision
Do You See What I See
Senses
Stimulus Detection
100
The light-sensitive surface at the back of the eye, that contains rods and cones
What is the retina
100
The processes that allow our sensory systems to convert stimulus energies into neural impulses
What is transduction
100
When the individual elements of a stimulus determine your perception of that stimulus, you are using this type of processing
What is bottom-up processing
100
The amplitude of a sound wave determines this
What is loudness
100
The intensity level at which people can successfully detect the presence of a stimulus 50% of the times it is present is called this
What is the absolute threshold
200
What are rods and cones?
The cells in the eye that convert electromagnetic energy into neural signals
200
Our increasing sensitivity to light in reduced illumination is due to this
What is dark adaptation
200
Matthew is in a dark room where it is very difficult to judge depth. He sees a spot of light that starts to grow larger and larger. The light is actually remaining at a constant distance, but appears to be growing bigger because of this perception cue
What is size constancy
200
Yvette is a professional figure skater who often includes triple jumps in her skating routine. Based on what is known about the perception of body movements, you should conclude that the main sense Yvette relies on to accurately detect the position and movement of her body as she moves through the air during a jump is this
What is kinesthetic sense
200
Daphne was sitting talking with some friends when she suddenly left the room to check on her baby. She was sure she had heard little Sandra cry out, but when she checked, Sandra was sleeping peacefully. Based on signal detection theory, the fact that Daphne thought she detected her baby’s cry would be considered this
What is a false alarm
300
The point in the retina where the optic nerve exits the eye produces this
What is blind spot
300
The theory of color vision which proposes the human eye has three types of receptors that are sensitive to different ranges of light wavelengths is known as this
What is trichromatic theory
300
91. A moving object high in the sky was seen as an enemy aircraft by the soldier on guard, but as a bird by the bird watcher doing a bird count. This is explained best by what type of processing
What is top-down processing
300
In humans, this sense is unique because it is the only sensory system that a is not routed through the thalamus before traveling to the cortex
What is smell
300
In humans, this sense is unique because it is the only sensory system that a is not routed through the thalamus before traveling to the cortex
What is smell
400
What is lens.
Ellen sees the world as blurry shapes unless she wears her glasses. This part of her eye is probably defective.
400
After Kelsey had her picture taken with a blue flash, she momentarily saw yellow spots before her eyes. This is best explained using the theory of color vision known as this
What is opponent-process theory
400
The fact that most people perceive individual elements that are moving in the same direction as being part of a single group is consistent with this Gestalt law
What is common fate
400
One of the key ideas behind this theory of pain is that impulses generated by pain receptors can be blocked in the spinal cord by signals originating in the brain
What is gate-control theory
400
Brent dives into a swimming pool and instantly feels cold. However, 10 minutes later the pool actually feels comfortably warm. The change in Brent’s sensitivity to the temperature of the pool illustrates this principle
What is sensory adaptation
500
The area of the retina that will trigger the firing of a specific ganglion cell makes up this
What is receptive field
500
After the neural signals from each visual field separate at the optic chiasm, the main bundle of neural fibers carries signals to this part of the brain where color and depth and movement are processed
What is the thalamus
500
Movies are created by rapidly projecting a series of still pictures onto a screen. This creates the illusion that the people and objects that appear on the screen are actually moving, illustrating this illusion
What is the phi phenomenon
500
The receptors for our vestibular sense are located in this part of the body
What is the inner ear
500
236. To increase profits, the cereal company wants to reduce the amount of raisins in each cup of cereal, but they don't want consumers to notice the change. To know how many raisins they can remove, they first need to obtain an estimate of this meause
What is the difference threshold (for raisins in a cup of cereal)
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