These author found that destruction of per-aqueductal gray matter and adjacent tegmentum beneath the superiorcolliculi abolished or greatly reduced facio-vocal behavior.
学者们发现位于上脑丘之下的周边导管灰质与邻近的大脑脚盖，大大减少、或破坏了脸部运动行为。
2
OXB-IR fibers were located in the central gray substance, superior and inferior colliculi.
OXB-IR 纤维位于中央灰色物质，上，下丘脑中。
3
In the mesencephalon, OXB-IR fibers were located in the central gray substance, superior and inferior colliculi, interpeduncular nucleus and raphe nuclei.