PSYCH 007: Biogenic Amine Neurotransmitters
If amino acid neurotransmitters set the basic tone of brain activity, biogenic amines shape its nuance. This chapter explores the neurotransmitter systems that modulate how we feel, think, and act - particularly dopamine, serotonin, and noradrenaline.
In this episode, we examine how these systems do not simply transmit signals, but regulate them. They influence mood, reward, motivation, attention, arousal, and stress responses - acting as global tuning systems that adjust the brain’s overall state.
We explore dopamine as a mediator of salience and reward prediction, serotonin as a regulator…
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