Definition: Changes in the amounts of various chemicals (neurotransmitters, receptors, enzymes, and other metabolites) specific to the area of the central nervous system contained within the head. These are monitored over time, during sensory stimulation, or under different disease states.
differentiate from BRAIN /metab; consider also /chem with specific parts of the brain but probably as NIM with BRAIN CHEMISTRY (IM) if site is merely locational & illustrative
Other names Chemistries, Brain; Brain Chemistries; Chemistry, Brain
