Uchino Y, Suzuki S
Neurosci Lett. 1983 Jun 16;37(2):129-35. doi: 10.1016/0304-3940(83)90142-8.
The branching pattern of inhibitory vestibuloocular neurons and their synaptic contacts with extraocular motoneurons were studied by means of spike-triggered averaging and local stimulation techniques. Individual vestibuloocular neurons activated by stimulation of the ampullary nerve of the anterior semicircular canal (ACN) inhibited motoneurons in both the ipsilateral (i-) trochlear nucleus and i-inferior rectus motoneuron pools. Individual vestibuloocular neurons receiving input from the ampullary nerve of the posterior semicircular canal (PCN) inhibited motoneurons in both the i-inferior oblique and i-superior rectus motoneuron pools. Probably, these axonal trajectories underlie conjugate eye movement during vertical head rotation. No conclusive evidence was found to indicate that single inhibitory vestibular neurons receiving input from the horizontal semicircular canal (HCN) give off axon collaterals to the i-abducens and the contralateral medial rectus motoneurons. A separate projection of HCN-related neurons to motoneurons supplying the lateral and medial rectus muscles might be useful for convergence during horizontal head movement.
通过锋电位触发平均技术和局部刺激技术，研究了抑制性前庭眼神经元的分支模式及其与眼外肌运动神经元的突触联系。刺激前半规管壶腹神经（ACN）激活的单个前庭眼神经元抑制同侧滑车神经核和同侧下直肌运动神经元池中的运动神经元。接受后半规管壶腹神经（PCN）输入的单个前庭眼神经元抑制同侧下斜肌和同侧上直肌运动神经元池中的运动神经元。这些轴突轨迹可能是垂直头部旋转时共轭眼球运动的基础。没有确凿证据表明，接受水平半规管（HCN）输入的单个抑制性前庭神经元会向同侧展神经和对侧内直肌运动神经元发出轴突侧支。HCN相关神经元向供应外直肌和内直肌的运动神经元的单独投射可能有助于水平头部运动时的会聚。
