Every time Bert slices onions, the onions burn his eyes and tears run down his face. One day, he opens the silverware drawer, pulls out the knife that he uses only to peel onions, and immediately starts to shed tears from the sight of the knife. In this situation, the onion is the ____, and the knife is the __________.?
a. ?conditioned stimulus; unconditioned stimulus
b. ?unconditioned stimulus; conditioned stimulus
c. ?conditioned response; unconditioned response
d. ?unconditioned response; conditioned response
ANSWER:
b
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Girls who are born with masculinized genitalia due to exposure to excess levels of androgens are technically referred to as _____ females
Fill in the blank(s) with correct word
The time following an action potential during which a new action potential CANNOT be initiated is called the _____ period.
A) regenerative B) resting C) refractory D) omission
A key symptom of hallucinogenic drugs is their capacity to:
A) alter sensation and perception. B) block pain. C) alleviate anxiety. D) reverse symptoms of psychosis.
While drive-reduction theory suggests that behaviors are motivated by a need to reduce physiological disruptions in homeostasis, central-state theory explains drives by understanding them as corresponding to __________ activity
a. reproductive b. neural c. organizational d. adaptive