Exam 6: Sensation and Perception

Rods need much more light than do cones in order to respond.

In real-life detection tasks, is it better to be a "naysayer" or a "yea-sayer"?

This figure -O- tends to be perceived as a single line partially covered by a circle. Which Gestalt principle explains the tendency to organize the visual world in this way? Explain why.

One reason that we are not aware of a blind spot in our field of vision is that our brain fills in the gap.

Research on our sense of smell reveals four basic scents: flowery, spicy, rotten, and musky.

The hair cells of the cochlea are embedded in the rubbery _______________.

When you enter a dim room, the pupil in your eye contracts.

When Miles and Mandi leave the bright lobby and enter the movie theater they cannot tell where the empty seats are. Explain why this occurs and describe the process through which they will gradually be able to see.

After a mysterious inflammation, Robin experienced irreversible damage to her ____________ nerve fibers, which at first left her bedridden. Although she eventually learned to use visual cues and willpower to sit and walk, her movements remained unnatural.

Research on rods and cones has revealed that:

The color or hue that we perceive is related to the _______________.

_______________ is the ability to perceive and respond to messages that are below the absolute threshold.

When you jump into a cold lake and the water no longer seems so cold moments later, sensory __________ has occurred.

When we have an interest in something, we are especially likely to perceive it.

Cats see well in dim light in part because they have a high proportion of cones compared to rods.

The Gestalt psychologists were especially interested in research about _______________.

The snail-shaped, fluid-filled organ in the inner ear is called the _______________.

Which of the following physical characteristics of light is related to hue?

There are about 120 to 125 million rods and about 7 or 8 million cones in the human retina.

The research about kittens raised in horizontal or vertical environments demonstrates the concept of _______________.