Which class of neurotransmitters includes norepinephrine, dopamine, and serotonin?

Prepare for the Advanced Pharmacology – Psychopharmacology exam. Study with interactive quizzes, flashcards, and detailed explanations for each question. Enhance your understanding and ace your test!

The class of neurotransmitters that includes norepinephrine, dopamine, and serotonin is monoamines. Monoamines are characterized by having a single amine group and play crucial roles in regulating mood, emotion, and cognition. Each of these neurotransmitters has unique functions: norepinephrine is involved in arousal and alertness, dopamine is linked to reward and pleasure as well as motor control, and serotonin plays a significant role in mood regulation and sleep.

Understanding the distinction between neurotransmitter classes is essential. Amino acids are the building blocks of proteins and include neurotransmitters like glutamate and GABA, which have different functions in the central nervous system. Cholinergics refer to neurotransmitters that use acetylcholine, playing roles in memory and muscle movement but do not include the monoamines listed. Hydrophobic factors is not a recognized class of neurotransmitters within the context described, making it an incorrect option for this question.

Thus, the identification of norepinephrine, dopamine, and serotonin as monoamines underscores their role in various neurological and psychiatric processes, making this categorization significant in psychopharmacology.

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