A complete update of the highly acclaimed handbook with data on all neurotransmitters and the majority of neuromodulators. The coverage is now even more comprehensive, with 15% more entries on neuropeptides, "classic" neurotransmitters and related substances in a clear, alphabetical format. The methodological section has been expanded by 50% and now includes color figures, plus new chapters on genomics, proteomics, databases, microarrays, MALDI-TOF, neutrophins, FGF, endocannabinoids and neuroimaging.