急性部病变与语音词验证错误有关.
Melissa D Stockbridge1, Jonathan H Venezia2,3, Andreia V Faria4
1Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21287, USA.
概括
患有左叶中风的个体表现出声学歧视受损. 这证实了左上叶的左上叶.
科学领域:
- 神经科学是一个神经科学.
- 心理语言学 心理语言学
- 神经语言学是一种神经语言学.
背景情况:
- 双流模型假设在光谱-时间分析中双边背上状 (STG) 的参与.
- 在单词层面的音声歧视的精确横向化仍在争论中.
- 之前的模型表明,中后部上时突处理更高层次的语音代码.
研究的目的:
- 为了研究急性中风患者与左叶病变的声学歧视缺陷.
- 为了比较左叶病变,左外病变和右半球病变的患者之间的表现.
- 在语音处理中量化左半球偏差.
主要方法:
- 114名急性中风患者接受了MRI和用语音和语义片进行文字图像验证任务.
- 参与者根据中风横向性 (左侧,右侧,双侧) 和叶参与情况进行分类.
- 对病变体积,年龄和性别进行控制的量子回归分析.
主要成果:
- 超过一半的参与者有效地执行了语音歧视任务.
- 患有左叶病变的患者显著更有可能表现出表现不佳的表现.
- 在提供的文本中,没有对右半球中风性能进行具体的比较.
结论:
- 这些发现支持左上叶 (包括STG) 在词识别过程中在语音处理中发挥关键作用.
- 一部分个体 (<50%) 在区分声学上相似的单词时表现出左侧偏差.
- 这项研究量化了左叶病变对声学区分能力的影响.
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