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.
Your brain produces a chemical called serotonin, housed in the hippocampus in the prefrontal cortex, and is used for nerve cells and brain function. Serotonin is also known as a transmitter and helps pass nerve impulses from one cell to the next.