Stan has been extremely afraid of cats since he was scratched as a 5-year-old. Whenever he sees a cat, he starts to feel afraid. If a cat comes towards him, he often runs away immediately as he is afraid of being scratched again
Stan's response is likely a result of the ____________ in the limbic system.
A) hippocampus
B) thalamus
C) amygdala
D) medulla
Answer: C
Rationale: The amygdala facilitates memory formation for emotional events, mediating fear responses and appears to play a role in recognizing and interpreting emotional stimuli. In this example, Stan's involuntary fear of cats is likely due to a fear memory formed by the amygdala.
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Evelyn always scored at the top of her class in elementary and high school. Now, as an adult, she is a successful executive. If Evelyn had taken part in the "marshmallow study" conducted nearly 50 years ago, what would researchers most likely have discovered about Evelyn?
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