White matter demyelination. What do you mean?

Demyelination of white matter is the destruction of mature myelin. This disease includes multiple leukoencephalopathy and subacute sclerosing panencephalitis. Clinically, this disease is often caused by some neurological diseases, such as nerve infection or toxic or neurodegenerative diseases. Suffering from cerebrovascular diseases, especially cerebral embolism, cerebral ischemia, can cause cerebral infarction performance, thus causing brain tissue to show severe malnutrition, will cause demyelination of the central nervous system. In clinical patients will show frequent dizziness, headache symptoms, but also mental symptoms, such as easy to be stimulated, memory loss, easy to excite, etc., some patients will show blurred vision, visual impairment, but also cause hypoesthesia or hemiplegia.