Examlex
Neurotransmitter
Chemical substances in the nervous system that transmit signals across a synapse from one neuron to another.
Acetylcholine
A neurotransmitter in the nervous system that plays a crucial role in muscle movement and cognitive functions such as memory and attention.
Dopamine
A neurotransmitter in the brain that plays a major role in reward-motivated behavior and other functions.
Serotonin
A neurotransmitter that has a significant impact on mood, emotion, and sleep.
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