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Term Definition
GABA(gamma-aminobutyric acid) The major inhibitory neurotransmitter in the brain.

gamma-aminobutyric acid(GABA) The major inhibitory neurotransmitter in the brain.

geneStrands of DNA that contain the blueprint of all the molecules that make up our bodies.

glial cellsTiny brain cells that support neurons by performing a variety of "housekeeping" functions in the brain.

glucoseA simple sugar that the brain uses as its major source of energy.

glutamateThe most common excitatory neurotransmitter in the brain.

Special Thanks:
Addiction Studies Program - Wake Forest University School of Medicine
False Messengers: How Addictive Drugs Change the Brain by David Friedman, PhD, and Sue Rusche, Harwood Academic Publishers, Amsterdam, The Netherlands, 1999. [www.addictionstudies.org]