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双向失语症和失写症:口语和手语语言中的语音输出缓冲失语症和正写输出缓冲失写症
Neta Haluts1, Doron Levy1, Naama Friedmann1
1Language and Brain Lab, Sagol School of Neuroscience, and School of Education, Tel Aviv University, Tel Aviv, Israel.
概括
这项研究揭示了声学输出缓冲器 (POB) 损伤,一种传导性失语症,同样影响口语和手语的生产. 它还确定了一个共享的正写输出缓冲区,用于手语用户的书写和手指拼写.
科学领域:
- 神经科学是一个神经科学.
- 语言学的语言学.
- 认知心理学 认知心理学
背景情况:
- 失言症和失字症是影响口语和书面沟通的语言障碍,分别.
- 了解语言生产的认知架构对于诊断和治疗这些疾病至关重要.
- 跨模双语,涉及口语和手语,在研究语言处理方面提出了独特的挑战.
研究的目的:
- 调查语音输出缓冲器 (POB) 损害在口语和手语中的表现.
- 探索写字障碍的性质,特别是指纹拼写和书面输出.
- 确定是否共享的认知机制是口语,手语和书面语言生产的基础.
主要方法:
- 一个42岁的跨模式双语女性 (Sunny) 的案例研究,她患有左側上上脑卒中.
- 使用命名,阅读和重复任务对口语和手语 (以色列手语) 的全面评估.
- 通过 dikta,命名和延迟复制任务来评估写作和手指拼写.
主要成果:
- 桑尼在口语中表现出声学输出缓冲器 (POB) 损伤,其特点是具有长度效应的声学和整个单元错误.
- 在以色列手语 (ISL) 中观察到非常相似的POB损伤模式,影响标志的声学参数.
- 在写作和手指拼写方面都发现了选择性正写 (图形) 输出缓冲器写法障碍,具有共同的特征和长度效应.
结论:
- 这项研究提供了POB障碍在手语中表现的第一个证据,表明了与口语共享的认知架构.
- 这些发现表明,口语和手语处理的潜在类似的神经支.
- 结果表明,写作和手指拼写都有一个共享的正写输出缓冲区,特别是在成人手语学习者中.
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