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首页> 外文期刊>Journal of the International Neuropsychological Society: JINS >The impact of visual complexity on visual short-term memory in children with specific language impairment
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The impact of visual complexity on visual short-term memory in children with specific language impairment

机译：视觉复杂性对特定语言障碍儿童视觉短时记忆的影响

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摘要

Many studies have assessed visual short-term memory (VSTM) abilities in children with specific language impairment (SLI), with contrasting results: some studies observed preserved VSTM capacities, while others reported impaired VSTM. The present study explores the hypothesis that the complexity of the visual information to be encoded and stored might underlie these discrepancies. Four VSTM conditions were administered to a group of 15 children with SLI, as well as to two groups of typically developing children, matched for chronological age and for VSTM capacity for visually simple stimuli, respectively. The stimuli to be remembered varied in their visual similarity and in the number of their visual features. Across the four VSTM conditions, children with SLI showed significantly reduced performance relative to an age-matched control group, and they were more strongly affected by visual similarity and number of features when compared to a control group matched for VSTM capacity for visually simple stimuli. The present results support the hypothesis that stimulus complexity is a determining factor of the poor VSTM performances in children with SLI.
机译：许多研究评估了患有特定语言障碍（SLI）的儿童的视觉短期记忆（VSTM）能力，但结果却相反：一些研究观察到保留了VSTM能力，而另一些研究则报告了VSTM受损。本研究探讨了以下假设：要编码和存储的视觉信息的复杂性可能是这些差异的基础。分别对15名SLI患儿和两组典型发育中的儿童进行了四种VSTM条件的治疗，分别根据时间年龄和视觉上简单刺激的VSTM能力进行了匹配。要记住的刺激在视觉相似性和视觉特征数量上各不相同。在四种VSTM条件下，与年龄匹配的对照组相比，SLI儿童表现出明显降低的表现，并且与匹配VSTM的视觉简单刺激能力的对照组相比，他们受视觉相似性和特征数量的影响更大。目前的结果支持以下假设，即刺激复杂性是SLI儿童VSTM表现较差的决定因素。

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