Di Stefano M, Ptito M, Quessy S, Lepore F, Guillemot J P
Dipartimento di Fisiologia e Biochimica, Università di Pisa, Italy.
J Hirnforsch. 1995;36(2):277-81.
In cats raised with surgically induced esotropia and early section of the optic chiasm visually responsive neurons were recorded from areas 17-18 ipsilaterally and contralaterally to the deviated eye. In these animals both cortices were monocularly activated only through the ipsilateral eye. In addition, unlike to that occurring in otherwise intact strabismic animals, the esotropic eye drove a number of neurons equivalent to that driven by the non-deviated eye. We suggest that an inhibitory influence exterted over the ipsilateral afferents of the deviated eye is removed by the early section of the crossed retinal projections.
在通过手术诱发内斜视并早期切断视交叉饲养的猫中，在偏离眼的同侧和对侧的17 - 18区记录到了视觉反应神经元。在这些动物中，两个皮层仅通过同侧眼被单眼激活。此外，与在其他方面完整的斜视动物中发生的情况不同，内斜眼驱动的神经元数量与非偏离眼驱动的神经元数量相当。我们认为，交叉视网膜投射的早期切断消除了对偏离眼同侧传入神经的抑制性影响。
