If loll deflection is ill side is right side, with break down limbs is the same as side, belong to paralysis of centre sex tongue, ill caustic is the pathological changes of midbrain above.

• 如果伸舌偏向病侧对侧，与瘫痪肢体同侧，则属中枢性舌瘫，病损为中脑以上的病变。