A powerful collection of readily reproducible cutting-edge techniques for characterizing the ligand or substrate binding of neurotransmitter receptors and transporters. The procedures cover interdisciplinary interactions for monoamine transporters, amino acid transporters, ionotropic receptors, metabotropic glutamate receptors, GABA receptors, and other G protein-coupled receptors. By illuminating how neurons in the central nervous communicate with other, these techniques can lead to the development of novel therapeutic strategies for neurological diseases.