Samantha jumps with fear as she feels a hand on her shoulder while walking on a deserted path across campus. What brain structure played a key role in Samantha's swift reaction?
A) basal ganglia
B) hippocampus
C) cerebral cortex
D) amygdala
Answer: D
Rationale: The amygdala is involved in assessing and interpreting situations to determine which types of emotions are appropriate. Then it seems to connect the perception or interpretation of these situations to brain regions that stimulate the physiological responses required for action.
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