Learning Curves 4b

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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


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