BACK TO dopamine

dopamine vs. serotonin

dopamine

[ doh-puh-meen ]
noun
  1. a catecholamine neurotransmitter in the central nervous system, retina, and sympathetic ganglia, acting within the brain to help regulate movement and emotion: its depletion may cause Parkinson's disease.
  2. a dopamine preparation used to increase the force of contraction of the heart in the treatment of shock.

serotonin

[ ser-uh-toh-nin, seer- ]
noun
  1. a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes.