There are changes in activity of certain brain regions which occur during an acute migraine attack that give rise not just to pain, but a wide variety of symptoms.
急性偏头痛发作时，大脑某些区域的活动会有所改变，这样引起的不仅仅是疼痛，还有一系列其它症状。
2
Mrs Schiavo, then 26, suffered a heart attack that caused massive loss of oxygen to the brain.
当时26岁的舒阿佛夫人因心脏病发作引起脑部大量缺氧。
3
Experts say traumatic brain injury can heal better than injury from stroke or heart attack, such as Schiavo suffered.