在视觉拥挤中识别字母的语言通用和脚本特定因素:右到左脚本中词汇性, hemifield 和过渡概率的影响
Adi Shechter1, Sivan Medina2, David L Share1
1The Edmond J. Safra Brain Research Center for the Study of Learning Disabilities, The University of Haifa, Haifa, Israel; Department of Learning Disabilities, Faculty of Education, University of Haifa, Haifa, Israel.
概括
边缘字母识别受到拥挤的限制,而不是可见性. 这项研究揭示了这两个普遍因素和希伯来语.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 语言学的语言学.
背景情况:
- 外围字母识别受到视觉拥挤的限制,影响阅读.
- 拥挤和阅读过程之间的确切关系尚不清楚.
- 了解拥挤对于解释阅读局限性至关重要.
研究的目的:
- 为了研究拥挤如何影响熟练的希伯来读者识别字母.
- 检查词汇性,视觉半场和过渡字母概率对拥挤字母识别的影响.
- 阐明语言特征与拥挤效应之间的相互作用.
主要方法:
- 在熟练的希伯来读者 (N=27) 身上,他们进行了一项字母识别任务.
- 刺激在词汇 (词与伪词) 和过渡字母概率 (大字母/三字母频率) 方面有所不同.
- 实验操纵了显示条件和视觉半球场呈现.
主要成果:
- 观察到语言-通用效应:词汇优势和右视觉半球 (左半球) 优势.
- 一个显著的语言特异效应:右到左的希伯来文阅读中左边大字母优势.
- 过渡字母的概率被发现是关键的,为parafoveal字母识别.
结论:
- 拥挤对阅读的影响涉及到普遍的认知机制和脚本特定的处理.
- 希伯来语的右向左写法通过过渡概率影响字母识别.
- 语境信息,如字母组合频率,有助于识别拥挤的字母.
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