视觉搜索能力的年龄效应及形成机制

摘要

Visual search ability is a basic kind of cognitive ability, and the development ot individual visual search ability follows the U model of life-long development, which means that age 6 to age 28 is the rising period of one＇s visual search ability, and after 28 the slow recession appears. This process is similar to other human beings＇ cognitive abilities, but visual search ability owns its own unique mechanism. Cognition speed and attention depression and working memory are the main factors containing visual search ability development.%视觉搜索能力是一种基本的认知能力，个体视觉搜索能力的发展遵循终生发展理论的u型模式：6～28岁左右是视觉搜索能力的提高过程，大约28岁以后出现较缓慢的衰退过程。这与其它认知能力的发展相似，但视觉搜索能力的发展具有独特的形成机制。认知速度与注意抑制及工作记忆是制约视觉搜索能力发展的主要因素。