Quiz 5 Ch 5 Vision
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