PSYCH 122 CH 3

When Kendall picked up her puppy, she did not realize that he'd gained a pound since the last time she picked him up. This small increase in weight is not big enough to be a

just noticeable difference.

How many rods does each eye contain?

125 million

Vibrations in the fluids within the chambers of the inner ear press against the__________.

basilar membrane

At the start of the exam Bobbi did not notice any distracting sounds. As time passed she became more and more aware of the ticking clock on the wall. What is this an example of?

Sensory adaptation

Pain results when neurons called__________in the skin are stimulated.

nociceptors

A person with normal color vision is labeled a _____.

trichromat

The Law of _____ states that we perceive smooth, continuous patterns while ignoring broken ones.

Continuity

The _____ is the organization of the visual field into objects that stand out from their surroundings.

Figure-Ground Relationship

Our perceptions can be influenced by our emotions and motivations.

True

According to the Law of Proximity, our brains tend to group nearby figures or objects together.

True

Researchers historically agreed on four primary taste qualities: sweet, sour, salty, and bitter.

True

The__________adjusts or accommodates to an image by changing its thickness.

lens

On a bright, sunny day, Manny leaves a dimly-lit movie theater and goes out into the street. The _____ in his eyes adjust to the sudden increase in light.

pupils

_____ is the top-down way our brains organize and interpret information and put it into context.

Perception

Amy accidentally hit her elbow against the edge of a wall. Amy's mother rushed to her and rubbed the affected elbow. Amy's pain subsided. Which theory would best explain this incident?

The gate theory.