发展性语言障碍儿童的技能学习和记忆保留方面的挑战
Carmit Altman1,2, Nehama Shaya1, Roni Berke1
1Faculty of Education, Bar Ilan University, Ramat Gan, Israel.
概括
与正常发育的同龄人相比,患有发育性语言障碍 (DLD) 的儿童对物体位置的长期记忆保留能力较差,符号写作精度较低. 这些发现凸显了DLD中独特的记忆挑战,影响了语言学习.
科学领域:
- 认知心理学 认知心理学
- 发育神经科学的发展神经科学.
- 语音和语言病理学 语言病理学
背景情况:
- 了解发育性语言障碍 (DLD) 儿童的记忆保留对于提高对记忆过程的了解至关重要.
- 目前的研究往往忽视了年幼儿童的长期表现和非睡眠记忆巩固,这项研究解决了这一差距.
研究的目的:
- 为了比较5岁的DLD儿童和典型发育 (TD) 同龄人的声明性 (对象定位) 和程序性 (符号写作) 任务的长期记忆巩固.
- 检查这些群体内记忆能力和语法/词法能力之间的关系.
主要方法:
- 23名患有DLD的儿童和30名TD同龄人参与了这项研究.
- 在训练后4小时和2周,通过对象定位任务评估宣言记忆.
- 在训练后4小时和2周,通过符号写作任务评估程序记忆.
主要成果:
- 患有DLD的儿童随着时间的推移表现出明显较差的宣言性记忆保留.
- 患有DLD的儿童在程序符号写作任务上的整体准确性较低.
- TD同龄人表现出延迟的程序性收益,而DLD儿童则没有.
结论:
- 患有DLD的儿童表现出非典型的长期声明性记忆保留和程序性知识获取.
- 声明性记忆与两个组的词汇分数相关;程序性记忆仅在TD同行中与语法分数相关.
- 研究结果表明,需要有针对性的干预措施来支持DLD儿童的记忆缺陷.
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