Learning Curves 4b
Denise wears an extremely bright safety-yellow sweatshirt when she cycles to the gym after dark. The sweatshirt's brightness reflects the _____ of the light it reflects.
High amplitude
The dorsal stream of visual processing is to the ventral stream of visual processing as: Please choose the correct answer from the following choices, and then select the submit answer button.
How is to what
You wake up early in the morning and your room is fairly dark. You look over and see your shirt hanging on a hook. You know it's your red shirt because you hung it up there before you went to bed, but in the dark you can't see its color. It looks dark gray to you. Why is that?
In the dim light, the cones in your eyes are ineffectual.
Which statement BEST expresses the relationship between the retina and the fovea?
The fovea is part of the retina
Some neuroscientists have recommended that the _____ visual pathway be renamed the "how" pathway.
Where
Vasinda can easily read signs that are distant, but words on a page appear blurred to her. Vasinda may have:
shorter-than-normal eyeballs.
With respect to visual processing, the "how" pathway is to parietal lobe as the _____ pathway is to the _____ lobe.
"what"; temporal
Each cone contains one of _____ types of photopigment.
3
Which alternative arranges colors in order of wavelength, from the shortest to the longest?
Blue,green,red
Sydney deciphers a complex wiring diagram under the bright glare of her desk lamp. Sydney is mainly using her photoreceptors known as:
Cones
Visual acuity refers to the ability to see fine details, so reflects the operation of photoreceptors called:
Cones
Which receptor cells MOST directly enable humans to distinguish different wavelengths of light?
Cones
With respect to visual processing, the "how" pathway is to the "what" pathway as:
Dorsal
Michelle turned her head to look directly at an unusual butterfly that her friend spotted in the garden. In doing so, Michelle ensures that the insect's image falls on her _____, which gives her the best visual acuity.
Fovea
Cones are _____light sensitive and _____ color-sensitive than are rods.
Less;more
Temika has been prescribed glasses so that images are no longer focused in front of the retina. Temika is myopic, or _____.
Nearsighted
S-cone is to blue as L-cone is to _____.
Red
Humans perceive the longest visible wavelengths as the color _____, and the shortest visible waves as _____.
Red:blue
According to the text, which mechanism is MOST likely responsible for color afterimages?
Sensory adaptation
Visual-form agnosia is most associated with impaired functioning in the:
Ventral stream of visual processing
Abbie is nearsighted. Her vision defect reflects an error in _________, the process by which the __________ changes shape to focus an image on the retina.
accommodation of the lens
As you watch a dog play in the park, light reflected from the dog's fur first passes through three structures of your eye. In what order does the light pass through these structures?
cornea, pupil, lens
With respect to visual processing, the "how" pathway is to the "what" pathway as:
dorsal is to ventral.
Area V1 contains neurons responding to specific:
edge orientations.
The optic nerve is composed of axons of: Please choose the correct answer from the following choices, and then select the submit answer button.
ganglion cells.
The dorsal stream of visual processing is to the ventral stream of visual processing as:
how is to what
In a vision science laboratory, a monkey is viewing simple visual stimuli on a screen while an electrode records activity from a cell in area V1 of the monkey's brain. On one trial, the cell begins responding actively. The monkey is probably viewing a:
line in a specific orientation.
Bees can see ultraviolet light but cannot see the color red. This means that bees are NOT able to see:
long wavelengths.
Sherry is nearsighted; that is, she suffers from _____.
myopia
Kessa has been prescribed glasses so that images are no longer focused in front of the retina. Kessa is:
myopic, or nearsighted.
With respect to its origins, color deficiency reflects:
nature, overwhelmingly
Which list contains an item that does NOT belong with the others?
nearsightedness; hyperopia; long eyeballs
Bart was struck by a 2 × 4 on the back of his head. He is having severe difficulties with his vision because the injury he sustained was to his _____ lobe.
occipital
Collectively, the rods and cones are called _____.
photoreceptors
Juanita notices a flicker of motion out of the corner of her eye as she hurries down a dim alley late at night. Kirsten deciphers a complex wiring diagram under the bright glare of her desk lamp. Juanita's vision is driven mainly by her _____, while Kirsten is mainly using her _____.
rods; cones
Which list contains items that ALL belong together?
wavelength, hue, pitch
