Carlin Michael T, Soraci Sal A, Dennis Nancy A, Strawbridge Christina, Chechile Nicholas A
Behavioral Science Division, Shriver Center at the University of Massachusetts Medical School, Waltham 02452, USA.
Am J Ment Retard. 2002 Jul;107(4):237-51. doi: 10.1352/0895-8017(2002)107<0237:GVSIIW>2.0.CO;2.
The ability of individuals with mental retardation to focus on task-relevant elements of complex visual arrays and increase visual-search efficiency was investigated. Initial assessments of visual-search efficiency were conducted to identify pairs of features for the form and size dimensions for which each participant demonstrated serial search. Subsequently, color was added as a defining feature that could guide search to a subset of the elements in the array. Results indicated that all of the individuals with mental retardation were able to limit attention to the task-relevant items on the guided search task, thus greatly reducing overall target identification times. Results show that individuals with mental retardation can demonstrate sophisticated visual selective attention skills when visual arrays are structured appropriately.
对智力迟钝个体聚焦于复杂视觉阵列中与任务相关元素并提高视觉搜索效率的能力进行了研究。进行了视觉搜索效率的初步评估，以确定每个参与者进行系列搜索的形状和大小维度的特征对。随后，添加颜色作为一个定义特征，它可以将搜索引导到阵列中元素的一个子集。结果表明，所有智力迟钝个体在引导搜索任务中都能够将注意力限制在与任务相关的项目上，从而大大减少了整体目标识别时间。结果显示，当视觉阵列结构适当时，智力迟钝个体可以表现出复杂的视觉选择性注意技能。
