CONTRAST, DISPARITY, AND STEREOPSIS

正常人双眼加工机制的综合模型 视觉是理解双目视觉的基本前提 精神错乱。因此，该提案的目标是确定数量和 双目和立体加工中涉及的机制的形式。 这一目标的意义在于提供了一个评估的基础 人类双眼视觉障碍，包括斜视、光学 单眼视网膜紊乱的影响和失衡。怎么了？ 双目感觉处理受到这些问题的影响，以及影响到什么？ 它的恢复程度取决于双眼的机制 正在处理。 将对人类立体视觉的结构进行全面研究，以 确定空间通道和双目望远镜的组织 立体视觉的视差通道。刺激将被设计成 仅限于局部区域上的偏心率维度、空间维度 频率和差异，以控制它们之间的相互作用 尺寸。这项研究可以估计有多少独立的神经机制 在全范围刺激下弥补立体视觉的输入 条件。类似的分析将对旨在 分离知觉深度重建的过程，以确定 人类深度感知是否存在多通道结构。

A comprehensive model of the binocular processing mechanisms in normal vision is an essential prerequisite to understanding binocular visual disorders. The goal of this proposal is thus to determine the number and form of the mechanisms involved in binocular and stereoscopic processing. The significance of this goal is to provide a basis from which to evaluate disorders of human binocular vision including strabismus, optical imbalances and the effects of monocular retinal disturbances. How the binocular sensory processing is affected by these problems and to what degree it recovers from them is determined by the mechanisms of binocular processing. A full study of the structure of human stereopsis will be conducted to determine the organization of both spatial channels and binocular disparity channels for stereopsis. The stimuli will be designed to be restricted to local regions on the dimensions of eccentricity, spatial frequency and disparity, to control for interactions between these dimensions. This study can estimate how many separate neural mechanisms make up the input for stereopsis under a full range of stimulus conditions. A similar analysis will be conducted with stimuli designed to isolate the processes of perceptual depth reconstruction, to determine whether there is a multichannel structure for human depth perception.