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旋转性不同双眼视觉经验后小猫皮质感受野的双眼差异

Binocular differences in cortical receptive fields of kittens after rotationally disparate binocular experience.

作者信息

Shinkman P G, Bruce C J

出版信息

Science. 1977 Jul 15;197(4300):285-7. doi: 10.1126/science.877554.

Abstract

Kittens were afforded visual experience only while wearing goggles fitted with prisms that rotated the inputs to the two eyes equally but in opposite directions about the visual axes (16 degrees for experimental subjects, 0 degrees for control subjects). Subsequently, receptive-field organization of the visual cortex was studied, special attention being given to the preferred orientation centered about the prism rotation experienced during early development. Thus, for moderate amounts of relative rotation, the development of interocular matching of orientation specificity in binocular cells of the visual cortex reflects the correspondence of early visual input between the two eyes.

摘要

小猫只有在佩戴装有棱镜的护目镜时才有视觉体验,这些棱镜会使进入两只眼睛的输入围绕视轴等角度但方向相反地旋转(实验对象为16度,对照对象为0度)。随后,研究了视觉皮层的感受野组织,特别关注以早期发育期间经历的棱镜旋转为中心的偏好方向。因此,对于适度的相对旋转量,视觉皮层双眼细胞中方向特异性的两眼匹配发育反映了两只眼睛早期视觉输入的对应关系。

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