4. Sensation and Perception

The phi phenomenon is related to

As we age, our eyes lose the ability to accommodate, causing many people to need reading classes. Which structure of the eye is likely affected?

Why do our eyes have a blind spot?

What sensory receptors are triggered by chemical substances?

_____ is the process of converting outside stimuli, such as light, into neural activity.

If you stare at something for a long time, it does not disappear, because

Sound waves and light waves share

_____ cells have a single dendrite at one end and a single axon at the other.

The research of Ernst Weber led to the formulation of a theory of

Research has shown that subliminal perception

If you are experiencing habituation,

Dominique is making a rice dish for 5 people that requires 4 teaspoons of salt. If she were to add just one more teaspoon of salt to the rice after tasting it, half of the time she would be able to notice a difference. If Dominique decides to triple her recipe to feed 15 people, which would call for a total of 12 teaspoons of salt, how many teaspoons of salt would need to be added for a person to be able to taste the difference half of the time?

When Consuela first put on her scarf, she could feel it quite easily. After a while, however, Consuela forgot that she was wearing a scarf at all; the sensation was gone. Which of the following processes is occurring?

Fenhua got into his car and turned on the radio. He turned the volume up to a comfortable level. After a few minutes of driving, however, the once-comfortable level seemed to be too low, so Fenhua turned up the volume. What has happened?

The term _____ refers to stimuli that are below the level of conscious awareness.