Depressed people tend to have fewer receptors of which neurotransmitter, which is commonly associated with mood regulation?

• A. Serotonin
• B. GABA
• C. Dopamine
• D. Acetylcholine

Answer: (A)

Verified step by step guidance

1. Understand that the question is asking about a neurotransmitter linked to mood regulation and depression.
2. Recall that neurotransmitters are chemical messengers in the brain that influence various psychological functions, including mood.
3. Identify that serotonin is a neurotransmitter commonly associated with mood regulation and is often found in lower levels or with fewer receptors in depressed individuals.
4. Recognize that while GABA, dopamine, and acetylcholine have important roles in the brain, serotonin is most directly linked to mood and depression.
5. Conclude that the neurotransmitter with fewer receptors in depressed people, related to mood regulation, is serotonin.