Acetylcholine
- is the first discovered neurotransmitter
- acts as a chemical transmitter in both the parasympathetic and central nervous system
- stimulates muscles and excites the nerves by delivering Na ions
- too much can cause decreased heart rates, but too little can cause motor dysfunction
Serotonin
- synthesized from A.A. tryptophin
- involved in transmitting nerve signals
- it affects our mood and keeps our emotions under control
- serotonin is used as medication to alter patient's moods
- foods that increase serotonin levels: dark chocolate, whey protein, nicotine
Endorphins
- endorphins can be found in the pituitary and within the nervous system
- it works to relieve pain, leading to pleasurable feelings
- as a result, stress and pain are the two most common factors that lead to release of endorphins within the body
- chocolate enhances secretion of endorphins
Norepinephrine
- a stress hormone and neurotransmitter
- main purpose is to relieve stress (secreted by the brain)