The brain chemicals behind your mood, sleep, and body functions Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN Ever wonder what's going on in your brain when a certain mood strikes? You can thank ...

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 ...

Scientists have determined structures of a transporter protein involved in the movement of neurochemicals such as serotonin and dopamine, unearthing multiple mechanisms that can guide drug development ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The brain is the most complex part of the human body. To keep our ...

Closely related subtypes of dopamine-releasing neurons may play entirely separate roles in processing sensory information, depending on their physical structure.

When a person thinks, speaks, eats, walks, or just sits comfortably with all bodily systems functioning normally, the billions of cells that make up the brain and the rest of the nervous system are ...

A vesicle, only a few nanometers in size and filled with neurotransmitters, approaches a cell membrane, fuses with it, and releases its chemical messengers into the synaptic cleft—making them ...