My mind's blank. What's going on?

A blank brain has the following reasons: 1, may be subject to strong mental stimulation, or excessive tension, anger, excitement, resulting in a sudden blank brain. 2, if the brain for a long time, brain cells do not get rest, excessive fatigue, may show a blank brain symptoms. 3, if there is memory loss, attention can not concentrate and other performance, may be related to long-term bad habits, playing computer games for a long time, often do not sleep after 12 o 'clock at night, the spirit has been in a high tension, excitement, may cause to show a blank brain symptoms. 4, if there are dizziness, headache symptoms, abnormal blood pressure, abnormal blood sugar, may be related to cerebrovascular disease, you can go to the hospital for examination, according to the cause of treatment.