I. THE TRANSMITTER SYSTEMS:

ACETYLCHOLINE (ACh)
DOPAMINE (DA)
NOREPINEPHRINE (NE)
SEROTONIN (5HT)
GLUTAMATE (GLU)
GABA

II. THE BRAIN'S SOURCES OF SOME KEY TRANSMITTERS

BASAL FOREBRAIN (BF)
SUBSTANIA NIGRA/VENTRAL TEGMENTAL AREA (SN/VTA)
LOCUS CERULEUS (LC)
DORSAL RAPHE (DR)

III. WHAT'S GOING WRONG?

ALZHEIMER'S
SCHIZOPHRENIA
PARKINSON'S DISEASE
OBSESSIVE-COMPULSIVE
TOURETTE'S SYNDROME
DEPRESSION
EPILEPSY
ANXIETY