If you need to define a word in your paper, the definition usually comes from a glossary in the back of a book. To properly attribute this definition you will need to cite it according to the American Psychological Association (APA) style guidelines.
Another cause of encephalitis under study is encephalitis believed to be caused by an autoantibody attack on subunits of brain N-methyl-d-aspartate (NMDA) glutamate receptors. The autoantibodies are termed anti-NMDA receptor antibodies, and the disease is termed NMDA receptor encephalitis, first identified in 2007.
The most common cause of Encephalitis is viral infection. The same Epstein-Barr virus which causes infectious mononucleosis is also one possible virus which can cause Encephalitis. Symptoms of encephalitis include double vision, hallucinations and difficulty looking at bright lights.