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In the brain of someone with anxiety, we would expect to find:

a. Decreased levels of Serotonin
b. Decreased levels of Gamma-amino-butyric acid (GABA)
c. Decreased levels of Norepinephrine
d. Increased levels of Gamma-amino-butyric acid (GABA)

User Bojtib
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Final answer:

In the brain of someone with anxiety, we would expect to find increased levels of Gamma-amino-butyric acid (GABA).

Step-by-step explanation:

In the brain of someone with anxiety, we would expect to find increased levels of Gamma-amino-butyric acid (GABA).

Anxiety is thought to be caused by an imbalance of neurotransmitters in the brain, and GABA is an important inhibitory neurotransmitter that helps to regulate anxiety and promote relaxation. Decreased levels of GABA have been linked to anxiety disorders.