Results In all subjects,99 cases of central sulcus were well identified and the thickness of precentral gyri was bigger than that of postcentral gyri.

• 结果明确判定中央沟位置的99例；中央前回的厚度大于中央后回的99例；额上沟和中央前沟相交的76例；中央前回与中央后回厚度之比左侧大脑半球为1.；65；右侧大脑半球为1