Muscle movement, learning, and memory. An undersupply is involved in Alzheimer's disease.
Involved in learning, attention, and emotion. An Excess is involved in schizophrenia.
Affects mood, hunger, sleep, and arousal. An undersupply is linked to depression.
Helps control alertness and arousal. An undersupply can lead to depression. An oversupply can lead to manic symptoms.
Major inhibitory neurotransmitter. An undersupply can lead to tremors, seizures, and insomnia.
Major excitatory neurotransmitter; involved in memory. Oversupply can overstimulate the brain leading to migraines (this is why some people avoid MSG in food).
natural opiate-like neurotransmitter linked to pain control and pleasure.