In classical conditioning, the natural and unlearned reaction to an unconditioned stimulus (UCS) is known as the:

A. Unconditioned Stimulus.
B. Unconditioned Response.
C. Conditioned Stimulus.
D. Conditioned Response.

Ans: B. Unconditioned Response.

Psychology

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A potential cause of muscle deterioration in the elderly population is a(an)

A. increase in size of muscle fibers B. increase in number of muscle fibers C. increase in androgen production D. decrease in size and number of muscle fibers E. decrease in androgen production

Psychology

The brain structure that plays an essential role in the formation of long-term memories of

events that happen in our lives is the __________ . Fill in the blanks with correct word

Psychology