在西班牙语人口中,发展性语言障碍的学前儿童的程序性记忆缺陷在西班牙语人口中
Soraya Sanhueza1, Mabel Urrutia2, Hipólito Marrero3
1Facultad de Humanidades y Arte, Universidad de Concepción, Concepción 4070386, Chile.
Brain sciences
|March 28, 2024
概括
患有发育性语言障碍 (DLD) 的儿童与典型发育的同龄人相比,在顺序反应时间任务上表现出受损的程序学习. 这表明,在DLD儿童的程序记忆系统中,隐式学习存在潜在的缺陷.
科学领域:
- 认知心理学 认知心理学
- 发展心理学 发展心理学
- 神经科学是一个神经科学.
背景情况:
- 发育性语言障碍 (DLD) 影响儿童的语言学习.
- 程序式学习,一种隐式学习,对于技能获取至关重要.
- 程序缺陷假设 (PDH) 提出了程序学习缺陷和DLD之间的联系.
研究的目的:
- 为了比较说西班牙语的学龄前儿童的程序性学习技能与DLD与典型的发展 (TD) 同龄人.
- 在西班牙语背景下调查程序记忆在语言发展中的作用.
主要方法:
- 利用序列反应时间 (SRT) 任务来评估程序学习.
- 参与者包括30名DLD儿童和30名TD儿童 (4-4岁,11个月).
- 测量了顺序和随机任务块的反应时间 (RT) 和准确性.
主要成果:
- 患有DLD的儿童在所有块中表现出明显更长的RT和更低的准确性.
- TD儿童在连续块中表现出预期的性能改善,在随机块中表现出下降.
- 在DLD组中没有通过SRT任务观察到暗示学习的证据.
结论:
- 研究结果表明,在患有DLD的西班牙语儿童中,存在程序学习缺陷.
- 通过将语言障碍与程序记忆缺陷联系起来,结果支持程序缺陷假设 (PDH).
- 该研究强调了在西班牙语语文背景下对理解DLD的潜在影响.
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