Dopamine
- Mediates motivation
- Precursor amino acid: Tyrosine
Serotonin
- Rewards, satisfaction
- Regulates the brain's ability to resist aggressive acts; calming neurotransmitter
- Low levels cause: depression, aggression, suicide
- Precursor amino acid: Tryptophan
Epineprhine, Norepinephrine
- Mediates attention
- Precursor amino acid: Tyrosine
norepinephrine determines a state of defense giving us the feeling that we must protect our thoughts, not to be disturbed by the influence of others. The chemicals released in the brain are the same as the ones that enable us to survive in dangerous situations. The protection of the physical body and the protection of the mental body are provided by the same defensive mechanism.
Acetylcholine
- enhancement of sensory perceptions when we wake up, sustaining attention
- modulates plasticity, arousal and reward
Acetylcholine drug improves neuroplasticity (The Atlantic)
Nutritional Supplements
R-Lipoic Acid (also: on wikipedia)
Sources
Drugs