PERCEPTUAL PROCESSING IN THE READING DISABLED

该项目的目标是确定在何种程度上 阅读能力与局部(细节)和整体(整体)有关 信息处理操作。早期读者(8-9岁 年)将通过使用单独的 将阅读测试分为好读者、一般读者和差读者。 然后他们将接受一系列的临床筛查测试 涉及视觉、听觉、智力和神经心理学 评估，以评估他们的整体状况。孩子们会 然后参加一系列旨在测量 视觉中局部和全局知觉的时间发展 系统。将应用空间和时间过滤技术 以确定参与形成的特定感觉机制 有这样的感觉。此外， 早期视觉的局部和全局加工特征 感知分组、图形背景等操作 将对种族隔离进行调查。一组成年受试者将被 为了与以前使用成人进行的研究进行比较而纳入 研究对象，并提供发展影响的指数。 对地方与全球关系的审视 加工操作与早期知觉组织过程 在正常和残疾中，读者可能会揭示潜在的 任何可能有助于阅读的知觉缺陷的性质 困难。普通读者和成年人之间的比较将 揭示局部和全局加工的发展变化 操作及其与早期知觉组织的关系 流程。此外，还分析了空间和时间上的差异 作为局部和基础的视觉系统的响应特性 全局处理操作，以及感知功能 它们进行调解，可能有助于确定潜在的机制 对知觉缺陷负责。一旦确定，就会有更多 可以制定有效的干预策略。

The aim of this project is to determine the degree to which reading ability is related to local (detail) and global (wholistic) information processing operations. Early readers (aged 8 - 9 years) will be classified through the use of individually administered reading tests as good, average, and poor readers. They will then undergo a battery of clinical screening tests involving visual, auditory, intellectual, and neuropsychological assessment to evaluate their overall status. The children will then take part in a series of experiments designed to measure the temporal development of local and global percepts in the visual system. Spatial and temporal filtering techniques will be applied to identify specific sensory mechanisms involved in the formation of such percepts. Additionally, the perceptual consequences of local and global processing characteristics on early visual operations such as perceptual grouping and figure-ground segregation will be investigated. A group of adult subjects will be included for comparability with previous studies using adult subjects, and to provide an index of developmental effects. An examination of the relations between local and global processing operations and early perceptual organization processes in normal and disabled readers may shed light on the underlying nature of any perceptual deficits that may contribute to reading difficulties. Comparisons between normal readers and adults will reveal developmental changes in local and global processing operations and their relation to early perceptual organization processes. Additionally, an analysis of the spatial and temporal response properties of the visual system that underlie local and global processing operations, and the perceptual functions that they mediate, may help to identify the underlying mechanisms responsible for perceptual deficits. Once identified, more effective intervention strategies can be devised.