命名障碍是失语症最常见的关键症状,并见于许多非局灶性脑病;而命名性失语系指命名障碍是唯一或最显著表现的一组失语综合征,两者概念不能混淆.命名障碍可根据不同的表现特点分为五种类型,各种类型有其一定的皮层代表区及相应的脑机能联系.颜色命名障碍为命名障碍的一种特殊类型,其发生机制和脑部病变定位,目前多以联系中断学说来解释. Naming disorder is the most common and key symptom of aphasia, and is found in many non-focal encephalopathy; nominal nocturnal refers to a group of aphasia syndromes whose naming disorder is the only or most prominent manifestation, and the two concepts can not be confused. According to different performance characteristics are divided into five types, each type has its own cortical representation of the area and the corresponding brain function.Color naming disorder is a special type of naming disorder, its mechanism of occurrence and brain lesions positioning, at present More to interrupt the doctrine to explain.