特定语言障碍儿童言语工作记忆与 SCAN-C 的关系。
Relationship between verbal working memory and the SCAN-C in children with specific language impairment.
机构信息
School of Psychology, Deakin University, Geelong, Victoria, 3217, Australia.
出版信息
Lang Speech Hear Serv Sch. 2010 Oct;41(4):521-30. doi: 10.1044/0161-1461(2010/09-0035). Epub 2010 Apr 26.
PURPOSE
An ongoing concern with the evaluation of auditory processing disorders is the extent that assessment instruments are influenced by higher order cognitive functions. This study examined the relationship between verbal working memory and performance on the Test for Auditory Processing Disorders in Children-Revised (SCAN-C; Keith, 2000b) in children with specific language impairment (SLI) and typically developing (TD) children.
METHOD
Sixteen children with SLI and 16 TD children ages 8½ to 11 years participated in the study. The children were presented with the SCAN-C and tests measuring verbal working memory.
RESULTS
Initial comparisons revealed that the SLI group obtained significantly lower scores than the TD group on the SCAN-C. However, after controlling for verbal working memory, significant differences between the 2 groups were no longer observed. Correlational analyses revealed that the composite score from the SCAN-C was related to all tests assessing verbal working memory.
CONCLUSIONS
Performance on the SCAN-C may be related to working memory functioning. As a consequence, it is unclear whether difficulty on this task should be viewed as a problem with auditory processing or a problem with verbal working memory.
目的
评估听觉处理障碍时，人们一直关注评估工具在多大程度上受到高阶认知功能的影响。本研究考察了言语工作记忆与儿童听觉处理障碍测试修订版（SCAN-C；Keith，2000b）在特定语言障碍（SLI）儿童和典型发育（TD）儿童中的表现之间的关系。
方法
16 名 SLI 儿童和 16 名年龄在 8 岁半至 11 岁的 TD 儿童参与了这项研究。儿童接受了 SCAN-C 和测量言语工作记忆的测试。
结果
初步比较显示，SLI 组在 SCAN-C 上的得分明显低于 TD 组。然而，在控制了言语工作记忆之后，两组之间不再观察到显著差异。相关分析显示，SCAN-C 的综合得分与评估言语工作记忆的所有测试都相关。
结论
SCAN-C 的表现可能与工作记忆功能有关。因此，尚不清楚在这项任务上的困难是应被视为听觉处理问题还是言语工作记忆问题。
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