books.google.ca - Serotonin (5-hydroxytryptamine, often cited as 5-HT) is one of the major excitatory neurotransmitter, and the serotonergic system is one of the best studied and understood transmitter systems. It is crucially involved in the organization of virtually all behaviours and in the regulation of emotion and...http://books.google.ca/books/about/Handbook_of_Behavioral_Neurobiology_of_S.html?id=aomaKqIE1jUC&utm_source=gb-gplus-shareHandbook of Behavioral Neurobiology of Serotonin
