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.
Tick-Borne Encephalitis is a flu-like illness, with symptoms appearing within 7-14 days of being bitten. The symptoms can include fever, headache, nausea and photophobia, which could lead to neck stiffness, convulsions and an altered mental state. It could also lead to meningitis, encephalitis and muscular paralysis.