脳の損傷

(1)injury to the brain that impairs its functions (especially permanently); can be caused by trauma to the head, infection, hemorrhage, inadequate oxygen, genetic abnormality, etc.

(2)機能を損なう脳損傷（特に永久に）

(3)頭への外傷、感染、出血、酸欠、遺伝子異常、などに起因する可能性がある