But go ahead and thumb through your dict ionary and see how many more words it in dic ates have this useful root! 1  dictionary: tells how to âsayâ words. 2  addict : âspeaksâ heavily towards something. 3  predict : âsayâ beforehand. 4  contradict : âsayâ against.
Neurotransmitters: Exciting and Inhibiting. Gamma-Amino-Butyric-Acid, or GABA, is the chief inhibitory neurotransmitter in the human brain. Along with serotonin, dopamine, glutamate, glycine, histamine, and norepinephrine, among dozens of other neurotransmitters, GABA regulates brain function.eurotransmitters: Exciting and Inhibiting. Gamma-Amino-Butyric-Acid, or GABA, is the chief inhibitory neurotransmitter in the human brain. Along with serotonin, dopamine, glutamate, glycine, histamine, and norepinephrine, among dozens of other neurotransmitters, GABA regulates brain function.
GABA B receptors, which are always inhibitory, are coupled to G proteins. Less is known about the GABA B receptor, primarily due to the limited number of pharmacological agents selective for this site. Originally, GABA B receptors were identified by their insensitivity to the GABA A antagonist bicuculline and certain GABA A-specific agonists [1,10].