Final answer:
Buspirone's mechanism of action primarily involves the activation of the Serotonin 1A (5-HT1A) receptor, which is instrumental in regulating mood and anxiety disorders.
Step-by-step explanation:
The mechanism of action for Buspirone is predominantly linked to serotonin receptors, particularly the Serotonin 1A (5-HT1A) receptor. This receptor plays a critical role in the regulation of mood and anxiety, and its activation by Buspirone is thought to contribute to the drug's anxiolytic effects. It is important to note that Buspirone has a different mechanism of action than other anxiety medications, which might target different neurotransmitter systems.