About Odessa Regional Medical Center Odessa Regional Medical Center is a Hospital in Odessa, TX.
The most important reward pathway in brain is the mesolimbic dopamine system. This circuit (VTA-NAc) is a key detector of a rewarding stimulus.
Nerve cells in the brain and the rest of the nervous system use chemical messengers. These messengers help cells send messages to each other. One of these messengers. is called serotonin. Studies show that serotonin plays a vital role in how our body works.