During the Cold Winter, You Have Stopped Taking Your Dog

question 106

Multiple Choice

During the cold winter, you have stopped taking your dog for walks. What's more, your dog has gotten used to the fact that when you accidentally rattle his leash, he isn't going for a walk, and subsequently he doesn't come running to the front door. What has occurred?

• A) extinction
• B) stimulus generalization
• C) stimulus discrimination
• D) spontaneous recovery

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Definitions:

Hair Bulb

The rounded, club-shaped structure at the base of a hair follicle containing the cells that produce hair, and the site of hair growth.

Hair Shaft

The portion of hair that extends above the skin surface, made of tightly compacted keratin cells.

Keratin Production

The process by which cells form keratin, a key structural protein that makes up the hair, nails, and the outer layer of skin.