Which neurotransmitter is primarily associated with the feeling of wanting or motivation in the brain?

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

Answer: (D)

Verified step by step guidance

1. Understand that neurotransmitters are chemical messengers in the brain that influence various psychological functions and behaviors.
2. Identify the role of each neurotransmitter listed: GABA is mainly inhibitory and related to calming effects; Acetylcholine is involved in muscle activation and memory; Serotonin influences mood and well-being.
3. Recognize that the feeling of wanting or motivation is linked to the brain's reward system, which is primarily regulated by dopamine.
4. Recall that dopamine is often called the 'motivation molecule' because it drives goal-directed behavior and the anticipation of rewards.
5. Conclude that among the options given, dopamine is the neurotransmitter most closely associated with the feeling of wanting or motivation.