Which of the following about the effect of anxiety-reducing drugs on locus coeruleus (LC) cell firing is true?
A) TCAs enhance norepinephrine action at inhibitory autoreceptors to reduce LC firing.
B) Benzodiazepines decrease the inhibitory effects of GABA on the cells in the LC.
C) SSRIs decrease serotonin, which inhibits LC firing.
D) Yohimbine increases serotonin and norepinephrine, resulting in a decrease in LC firing.
Correct Answer:
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