role of serotonin

The Role of Serotonin in Your Brain

Serotonin is a neurotransmitter that carries signals between the nerve cells in your brain, as well as between nerve pathways and muscle tissue. The largest concentrations of serotonin in your body will be in your brain, your blood platelets and your digestive tract. For many years, physicians and biochemists have believed that serotonin plays a…

The Role Of Dopamine In Addiction

The Role Of Dopamine In Addiction

Dopamine is a neurotransmitter, one of the brain’s many messengers. A neurotransmitter is a chemical that delivers nerve impulses and electrical signals across the gaps between nerve cells. When it comes to dopamine in addiction, the relationship is extremely complicated. Dopamine and the Brain The main function of dopamine is generating motivation through behavior and…