Prof. Dr. Gunasekaran Ramanathan has completed his PhD in the National Institute of Mental Health and Neurosciences (NIMHANS), Bangalore, India, and postdoctoral studies from Michigan State University, East Lansing, MI, USA, and the University of North Dakota (UND), Department of Neuroscience and Experimental Therapeutics, College of Medicine, Texas A&M Health Science Center, Bryan, TX 77807, USA. He has published more than 15 papers in reputed journals and book chapters. In IntechOpen, 167-169 Great Portland Street, London, UK. He is currently working as a Professor of Physiology and Neuroscience at SVMCH–RI, TN 637205, affiliated with TN MGR Medical University, Chennai, India