middle frontal gyrus

例句：

1. 1. The patient's middle frontal gyrus was enlarged due to a brain tumor.
   患者的中央前额叶由于脑瘤而肿大。
2. 2.The study found that the middle frontal gyrus plays a crucial role in decision-making processes.
   研究发现，中央前额叶在决策过程中起着至关重要的作用。
3. 3.The patient's condition worsened significantly after surgery, with the middle frontal gyrus showing significant swelling.
   手术后，患者的病情明显恶化，中央前额叶出现了显著的肿胀。