Inside the pons there are many neurofibrils-the ones at the top responsible for transmitting sensation and the ones at the bottom responsible for transmitting movement. The pons controls such autonomic nervous functions as breathing, swallowing, keeping the heart beating, and regulating the sleep / wake cycle. As soon as hemorrhaging occurs here, a patient will fall into a deep coma with all four limbs paralyzed.
橋腦內有許多神經纖維，負責感覺訊息的向上傳遞和運動指令的向下傳輸，控制呼吸、吞嚥、心跳、清醒週期等自主神經，一旦發生出血性中風，病患數分鐘內就會陷入深度昏迷、四肢癱瘓。