Quiz 5 Ch 5 Vision

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The ventral stream of visual processing is important for identifying movement.​

False

Lateral inhibition is the reduction of activity in one neuron by activity in neighboring neurons.​

True

The retinex theory accounts for the principle of color constancy.​

True

Which statement characterizes the fovea?​

​It has the greatest perception of detail.

Why do humans perceive faint light better in the periphery of the eye?​

​More receptors in the periphery than in the fovea funnel input to each ganglion cell.

Night-active species are more likely than day-active species to have ____.​

​a greater rod to cone ratio

In the human retina, messages go from receptors at the back of the eye to ____.​

​bipolar cells

Bipolar cells send their messages to ____, which are located close to the center of the eye.​

​ganglion cells

The optic nerve is composed of axons from which kind of cell?​

​ganglion cells

Cutting the left optic nerve in front of the optic chiasm would result in blindness in the ____.​

​left eye

The most common form of color vision deficiency is due to ____.​

​long- and medium-wavelength cones making the same photopigment

Once information is sent to the secondary visual cortex, it ____.​

​may return to the primary visual cortex

Which theory of color vision is best able to explain negative color afterimages?​

​opponent-process theory

The receptive field of a receptor is the ____.​

​point in space from which light strikes the receptor

In comparison to the rods, cones are more ____.​

​sensitive to detail

Damage to the ventral stream may interfere with ____.​

​the ability to describe the shape or size of an object

Light from the right half of the world strikes which part of the retina?​

​the left half

The primary visual cortex sends its information ____.​

​to area V2

The ability of some women to detect slightly finer discriminations of color than other women is most likely due to having ____.​

​two types of long-wavelength cones

According to the law of specific nerve energies, the brain tells the difference between one sensory modality and another by ____.​

​which neurons are active


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