Neurotransmitters are chemical messengers that help nerve cells (neurons) communicate with one another. These chemical messengers affect the brain by either exciting (stimulating), inhibiting ...

A longstanding hypothesis in neurobiology was that a single neuron releases a single type of neurotransmitter, a molecule used by neurons to communicate with one another. In recent decades, several ...

Dopamine is a neurotransmitter and hormone that works with your brain’s reward system and sends messages between your brain and body, Cleveland Clinic explains. Dopamine gives us a sense of pleasure ...