在发育性阅读障碍症中,不典型的依赖单眼视觉通路用于人脸和文字识别
Noa Peskin1, Marlene Behrmann2, Shai Gabay3
1School of Psychological Sciences, University of Haifa, Haifa 3498838, Israel; The Institute of Information Processing and Decision Making, University of Haifa, Haifa 3498838, Israel; Department of Special Education, University of Haifa, 31905 Haifa, Israel.
Brain and cognition
|November 28, 2023
概括
患有发育性阅读障碍 (DD) 的人更依赖单眼视觉通路来处理面部和文字. 这种增强的皮下参与可能会阻碍DD的视觉专业知识的发展.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 发育性阅读障碍 (DD) 与视觉感知方面的困难有关,特别是对于单词和面孔.
- 人类成年人通常通过专门的皮质路径来发展识别单词和面部的视觉专业知识.
- 视觉通路的非典型参与可能是DD中视觉专业知识获得受损的基础.
研究的目的:
- 研究单眼视觉通路在发育性阅读障碍症中的作用.
- 检查非典型的视觉通路参与是否会影响DD中面孔和词语的视觉专业知识的发展.
- 探索皮下结构和DD的视觉处理差异之间的潜在联系.
主要方法:
- 有DD和典型读者 (TR) 的参与者对顺序呈现的陌生面孔和非单词做出了相同的不同判断.
- 刺激以特定眼睛的方式呈现,使用立体镜来区分单眼和双眼处理.
- 分析了行为反应,以比较群体之间的视觉通路参与.
主要成果:
- 典型的读者 (TR) 在面孔和非词语方面都表现出单眼优势.
- 与TRs相比,DD个体对面部和词语的单眼优势明显更大.
- DD参与者在视觉处理中表现出增强的皮质下参与.
结论:
- DD的特点是异常的视觉处理,更依赖单眼途径.
- 在DD中增强的皮质下参与可能源于未能完善皮质通路以进行专家视觉歧视.
- 这些发现表明,潜在的神经机制有助于发展性阅读障碍的视觉处理差异.
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