My brain is blank. What's going on?

The causes of brain blankness are physiological and pathological. The physiological causes mainly include sudden shock, overwork, excessive pressure, poor sleep quality, too much tension, etc. After the inducement is eliminated, it can return to normal. The pathological causes mainly include neurasthenia, cerebral artery insufficiency, transient ischemic attack, cerebral infarction, cerebral hemorrhage, cerebral concussion, etc. If there is a history of brain trauma may be caused by concussion, can check the brain MRI diagnosis, if the elderly often show brain blank, dizziness, headache, limb numbness symptoms, may be caused by cerebrovascular diseases, such as cerebral infarction, cerebral hemorrhage, etc.