双重编码理论认为语言的和视觉的信息被独立的处理，但是相关的处理系统相互连接。一个图像系统组织各种简单的图像，形成层次结构并且可以输出为空间的形式；而语言系统并行地处理各种非视觉信息-Dual coding theory of language and visual processing of information is independent, but interconnected associated processing system. An image system, the organization of simple images, and can form a hierarchy of space in the form of output　and language system, various non-parallel processing of visual information