Biology (Mader), 10th Edition

Chapter 37: Neurons and Nervous Systems

Forgetting Fear

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1.

What portion of the brain has been found to react instantly to fear stimuli?
A)hypothalamus
B)amygdala
C)cerebellum
D)medulla oblongata
2.

What is the key role that the response elicited by the amygdala?
A)Produces a defense response including freezing, rise in blood pressure, and hormonal release.
B)A relay center to the cerebellum
C)Produces endorphins which are the bodies natural pain killers.
D)Assists in memory of the fearful situation.
3.

What device was used to test the influence that fear had on the amygdala?
A)PET scanning
B)CAT scanning
C)X-rays
D)MRI
4.

What was the key finding in this research on learned fear?
A)The amygdala's and cerebral cortex are important in both learning to fear something and getting rid of fear.
B)Fear is not controllable by the conscious learning.
C)The cerebrum overrides the amygdala’s response
D)Fear doesn’t appear to be a learned phenomenon.
5.

Which of the following points were raised as a conclusion to this study?
A)Fear is ungrounded in most situations.
B)All fears can be overcome with appropriate therapy.
C)A fear developed as a young child are the most deeply remembered and most difficult to remove.
D)A previously learned fear that was overcome, can be brought back by re-exposed stress.
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