Norepinephrine

Neurotransmitters are chemical messengers in the brain. The nerve cells of the brain use neurotransmitters to communicate with each other. The messages they send are believed to play a role in mood regulation.

The three neurotransmitters implicated in depression are:

• Dopamine

Research has indicated several potential causes for the low levels of serotonin, norepinephrine, or dopamine:

• Molecules that help make neurotransmitters are in short supply
• Not enough receptor sites to receive the neurotransmitter
• Presynaptic cells are taking the ne...

The brain operates in a complex way with many parts intersecting and interacting with each other simultaneously. So, when you have that thought in the morning, it's likely that all these different component of your brain (prefrontal cortex, hippocampus, neurons, neurotransmitters, etc.) are all i...