7 Neurotransmitters

ACh

Muscle movement, memory.

ACh (Low)

Low levels are associated with Alzheimer's.

ACh (High)

High levels can cause spasms.

Dopamine

Pleasure, reward, movement.

Dopamine (Low)

Low levels are associated with Parkinson's.

Dopamine (High)

High levels can lead to schizophrenia.

Serotonin

Mood, sleep, appetite.

Serotonin (Low)

Low levels are associated with depression.

Serotonin (High)

High levels can cause serotonin syndrome.

Norepinephrine

Arousal, alertness.

Norepinephrine (Low)

Low levels are associated with depression (fatigue).

Norepinephrine (High)

High levels can lead to anxiety.

GABA

Main inhibitor.

GABA (Low)

Low levels are associated with anxiety and seizures.

GABA (High)

High levels can cause sleepiness.

Glutamate

Main excitator.

Glutamate (Low)

Low levels can cause memory problems.

Glutamate (High)

High levels can lead to seizures.

Endorphins

Pain control, pleasure.

Endorphins (Low)

Low levels are associated with pain sensitivity.

Endorphins (High)

High levels can lead to runner's high.