vibrant molecular structures of serotonin, dopamine, and acetylcholine neurotransmitters transmit signals between glowing neurons

neurotransmitters neurons synapses closeup microscopic brain chemistry ai generative machine learning neural networks connections signals transmission receptors binding release transportation axon terminal synoptic cleft vesicles dopamine serotonin acetylcholine glutamate gaba norepinephrine epinephrine endorphins peptides hormones neuroplasticity brainwaves frequencies oscillations synchronization desynchronization theta alpha beta gamma neuralcode coding