The two most commonly used synaptic neurotransmitters in the brain are

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The two most commonly used synaptic neurotransmitters in the brain are glutamate and GABA. Glutamate is an excitatory neurotransmitter, while GABA is an inhibitory neurotransmitter. Together, they play a crucial role in regulating the activity of neural circuits in the brain. Glycine and acetylcholine are also neurotransmitters in the brain, but they are not as commonly used as glutamate and GABA. Dopamine is another neurotransmitter, but it is primarily involved in the regulation of reward and motivation.

The Two Most Commonly Used Synaptic Neurotransmitters in the Brain