Silakov V L
Fiziol Zh SSSR Im I M Sechenova. 1977 Sep;63(9):1243-50.
Neuronal activity of the superior colliculus isolated from the corticofugal influences was studied in various periods of time (from 3 to 20 months) after unilateral dissection of cortico-subcortical projections. In 16 unanesthetized immobilized cats, after the surgery, spontaneous activity of collicular neurons became more regular and with less complex bursts during the postoperative period. Evoked activity was completely suppressed during early hours of the postoperative period. Only 31.5% of collicular cells were sensitive to light 3 months after the operation. Evoked responses to light of 90.4% cells reappeared in the isolated colliculus not earlier than 10-12 months after the isolation, while directional and movement sensitivity practically did not restore even within 20 months after the surgery. Corticocollicular influences are considered to be a necessary condition for effective visual information processing in the colliculi superiores.
在单侧切断皮质 - 皮质下投射后的不同时间段（3至20个月），研究了分离出皮质离心影响的上丘的神经元活动。在16只未麻醉的固定猫中，术后上丘神经元的自发活动在术后变得更加规则，爆发活动也不那么复杂。术后早期诱发活动完全被抑制。术后3个月，只有31.5%的上丘细胞对光敏感。在分离后不早于10 - 12个月，分离的上丘中90.4%细胞对光的诱发反应重新出现，而方向和运动敏感性即使在术后20个月内实际上也没有恢复。皮质 - 上丘影响被认为是上丘中有效视觉信息处理的必要条件。
