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用X线电影和激光位移探测仪记录观察家兔,在刺激大脑皮质咀嚼区不同部位,诱发下颌、舌、舌骨运动。结果发现:1.刺激兔大脑皮质咀嚼区,下颌运动可分为泪滴状、椭圆状、垂直状、新月状4种类型。2.刺激下产生的舌和舌骨的节律性运动和下颌骨节律性运动一致。3.舌运动的类型不同于下颌4型运动。结论:1.诱发皮质性类咀嚼运动时下颌、舌、舌骨运动节律均与自然咀嚼相似,该实验可作研究咀嚼运动的运物模型。2.大脑皮质咀嚼代表区,无独立的下颌、舌、舌骨代表区存在。
The rabbits were observed with X-ray film and laser displacement detector, and the mandibular, tongue and hyoid bone were induced in different parts of the cerebral cortex chewing area. The results showed that: 1. Stimulation of rabbit cerebral cortex chewing area, mandibular movement can be divided into teardrop-shaped, oval, vertical, crescent-shaped four types. 2. The rhythmic movement of the tongue and hyoid bone produced by stimulation is consistent with the rhythmic movement of the mandible. 3. The type of tongue movement is different from the jaw type 4 movement. Conclusions: 1. The motor rhythm of mandibular, tongue and hyoid bone is similar to natural chewing when induced cortical chewing exercise. This experiment can be used as a model to study chewing movement. 2. Cerebral cortex chewing on behalf of the area, no independent mandibular, tongue, hyoid bone representation area exists.