AMPA stands for α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid, a chemical compound that acts as a neurotransmitter in the brain. It primarily binds to AMPA receptors, which are crucial for fast synaptic transmission in the central nervous system. These receptors play a significant role in processes like learning and memory. AMPA is one of the key components of the glutamate signaling pathway, which is essential for communication between neurons. By facilitating the flow of sodium ions into cells, AMPA receptors help generate excitatory signals, influencing various brain functions and contributing to overall cognitive processes.