Chapter 5

If someone electrically stimulated the auditory receptors in your ear, what would you perceive?

What makes the blind spot of the retina blind?

You sometimes find that you can see a faint star on a dark night better if you look slightly to the side of the star instead of straight at it. Why?

When a television set is off, its screen appears gray. When you watch a program, parts of the screen appear black, even though more light is actually showing on the screen than when the set was off. What accounts for the black perception?

Why is color vision deficiency a better term than color blindness?

As we progress from bipolar cells to ganglion cells to later cells in the visual system, are receptive fields ordinarily larger, smaller, or the same size? Why?

What are the differences between the magnocellular and parvocellular systems?

What is an example of an unconscious response to visual information?

How could a researcher determine whether a given neuron in the visual cortex is simple or complex?

What causes astigmatism?

If an infant is born with dense cataracts on both eyes and they are surgically removed years later, how well does the child see at first??

Area V4 is important for color constancy. What is color constancy?

When you move your eyes, why does it not seem as if the world is moving?