The surgeon would then move the leucotomes back and forth in the frontal lobe of the brain.

然后，外科医生会在大脑额叶中来回移动白质切片。

An instrument called a leucotome was inserted into the brain and then a hole was made inside the deep portions of the frontal lobe.

一种叫做白质切片的仪器被插入大脑，然后在额叶深处开了一个洞。

Lobotomies were a type of surgery that involved drilling two holes into the skull and pushing spikes called leucotomes into the brain.

脑叶切开术是一种手术，涉及在头骨上钻两个孔并将称为脑白质切除术的尖刺推入大脑。