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在发育性阅读障碍的阅读中,对foveal处理和转换字母效应
Julie A Kirkby1, Rhiannon S Barrington1, Denis Drieghe2
1Department of Psychology, Bournemouth University, Poole, UK.
概括
阅读障碍的儿童将对即将到来的单词进行分离式处理,编码字母的身份和位置. 然而,它们对转换字母的敏感性降低了,这表明正写表示不那么精确.
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:
- 成人和儿童在阅读过程中将字母的身份和位置编码为parafoveally.
- 这种编码依赖于灵活的字母位置机制.
- 以前的研究表明,阅读障碍的读者可能在拼写处理方面遇到困难.
研究的目的:
- 调查阅读障碍儿童中字母身份和位置的偏方体编码.
- 为了比较阅读障碍读者的身份处理,转换字母和替换字母预览.
- 探讨对方体处理和在阅读障碍症中正写表示的特异性之间的关系.
主要方法:
- 利用了一个边界变化眼睛跟踪范式.
- 呈现了阅读障碍儿童与不同相似性 (身份,转位字母,替代字母) 的偏前景.
- 分析了眼动数据,包括预览效益和过去的时间.
主要成果:
- 阅读障碍的读者在身份预览中显示了预览的好处,证实了对形正写编码.
- 他们显示,转换字母预览比替换字母预览的好处更大,表明字母身份和位置的独立编码.
- 尽管如此,阅读障碍的读者在以后的阅读测量中对转移字母的敏感性较低,与典型的发育读者相比.
结论:
- 阅读障碍者阅读器在抛物线处理过程中独立编码字母身份和位置.
- 它们对转换字母的敏感性降低表明它们的词汇表达不那么精确.
- 这些发现支持了这样一个观点,即阅读障碍儿童的拼写表达不够详细.
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