Neromyliotis E, Moschovakis A K
Institute of Applied and Computational Mathematics, FORTH, Heraklion, Crete, Greece.
Department of Basic Sciences, Faculty of Medicine, University of Crete, P.O. Box 2208, 71003, Heraklion, Crete, Greece.
Exp Brain Res. 2017 Sep;235(9):2797-2809. doi: 10.1007/s00221-017-5012-6. Epub 2017 Jun 20.
To test the hypothesis that the premotor cortex in and behind the caudal bank of the arcuate sulcus can generate saccades, we stimulated electrically the periarcuate region of alert rhesus monkeys. We were able to produce saccades from sites of the premotor cortex that were contiguous with the frontal eye fields and extended up to 2 mm behind the smooth pursuit area. However, premotor sites often elicited saccades with ipsiversive characteristic vectors, lower peak velocities, and flatter velocity profiles when compared to saccades evoked from the frontal eye field.
为了验证弓状沟尾侧缘及其后方的运动前区皮质能够产生扫视运动这一假说，我们对警觉的恒河猴的弓状沟周围区域进行了电刺激。我们能够从与额叶眼区相邻且延伸至平稳跟踪区后方2毫米处的运动前区皮质部位诱发出扫视运动。然而，与从额叶眼区诱发的扫视运动相比，运动前区部位诱发的扫视运动往往具有同侧性特征向量、较低的峰值速度和较平缓的速度曲线。
