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The Four Dopamine Pathways: How One Neurotransmitter Controls Movement, Motivation, and Hormones
Dopamine is often described as the brain's pleasure chemical, but its functions extend far beyond feelings of reward. This episode explores the mesolimbic, mesocortical, nigrostriatal, and tuberoinfundibular pathways and their distinct contributions to behavior and physiology. We examine how these neural circuits influence motivation, cognition, motor control, and prolactin regulation. Understanding these pathways helps explain why a medication designed to treat psychiatric symptoms can also affect movement and endocrine functioning.
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